Credits and Acknowledgements: Photography:

Images – History

• 100 meter race, © Mary Evans Picture Library

(Grade 4/Unit 6)

• 3 flappers, © Bettmann/Corbis

(Grade 4/Unit 9)

• A Jaquard loom, © Bettmann/Corbis

(Grade 4/Unit 9)

• A Working Cotton Plantation, W. A. Walker (Currier & Ives), © Corbis

(Grade 4/Unit 6)

• A Young Hare, Albrecht Dürer, © Graphische Sammlung, Albertina, Vienna/AKG, Berlin/SuperStock

(Grade 3/Unit 3)

• Abraham Lincoln, © The Corcoran Gallery of Art/Corbis
  (Grade 4/Unit 6)

• Adam Smith, © Bettmann/Corbis
  (Grade 4/Unit 5)

• Adolf Hitler, © Mary Evans Picture Library
  (Grade 4/Unit 10)

• Adolf Hitler occupies the Sudetenland, © Corbis
  (Grade 4/Unit 10)

• Adolf Hitler saluting, © TimePix
  (Grade 4/Unit 10)

• Adolf Hitler's motorcade, © Hugo Jaeger/TimePix
  (Grade 4/Unit 10)

• Aerial acrobatics, © Roger Ressmeyer/Corbis
  (Grade 3/Unit 9)

• Aerial of Europe/Italy, © Roger Ressmeyer/Corbis
  (Grade 3/Unit 9)

• Aerial of Forbidden City, © Dean Conger/Corbis
  (Grade 3/Unit 7)

• Aerial view of Rome, © Stapleton Collection/Corbis

(Grade 3/Unit 1)

• Akbar , © Francis G. Mayer/Corbis

(Grade 3/Unit 6)

• Akbar and Zia, Reproduced by kind permission of the Trustees of the Chester Beatty Library, Dublin
  (Grade 3/Unit 6)

• Akbar holding falcon, © Francis G. Mayer/Corbis
  (Grade 3/Unit 6)

• Akbar meeting with Jesuit priests and Mullahs, Reproduced by kind permission of the Trustees of the Chester Beatty Library, Dublin
  (Grade 3/Unit 6)

• Alexander Pushkin, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 6)

• American Farm Scenes, No. 1, Frances F. Palmer (Currier & Ives), © Museum of the City of New York/Corbis
  (Grade 4/Unit 6)

• American military during the Revolutionary War, © National Archives and Records Administration, Still Pictures Branch (NWDNS), National Archives at College Park, 8601 Adelphi Road, College Park, MD 20740-6001
  (Grade 3/Unit 10)

• An antique doll from the 1760s, © Richard T. Nowitz/Corbis
  (Grade 3/Unit 10)

• Anasazi ruins, © Corbis
  (Grade 5/Unit 1)

• Antique Map CD: detail of North America, © Corbis
  (Grade 3/Unit 4)

• Antique Map CD (China, Japan, Africa), © Corbis
  (Grade 3/Unit 7, 8)

• Anton van Leeuwenhoek with experiment, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Anton van Leeuwnhoek, © Rijksmuseum, Amsterdam
  (Grade 4/Unit 2)

• Anton van Leeuwnhoek's microscope, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Apple in tree, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Apple in tree, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Appomattox surrender, © Bettmann/Corbis
  (Grade 4/Unit 6)

• Architectural drawing, Leonardo da Vinci, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Aristotle, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Arnolfini Portrait, Jan van Eyck, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 3)

• Arrest of a royalist, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Astrolabe, © Austrian Archives/Corbis
  (Grade 3/Unit 4)

• Atahualpa, © Hulton|Archive by Getty Images
  (Grade 3/Unit 5)

• Atahualpa being carried in a litter, © Giraudon / Art Resource, NY
  (Grade 3/Unit 5)

• Athena, © Hulton|Archive by Getty Images
  (Grade 3/Unit 1)

• Aztec people migrating, © Gianni Dagli Orti/Corbis
  (Grade 3/Unit 5)

• Aztec warriors, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 5)

• Babur, © Hulton|Archive by Getty Images
  (Grade 3/Unit 6)

• Babur in battle, © Werner Forman / Art Resource, NY
  (Grade 3/Unit 6)

• Babur in Garden, © Victoria & Albert Museum, London / Art Resource, NY
  (Grade 3/Unit 6)

• Babur on horseback, © Werner Forman / Art Resource, NY
  (Grade 3/Unit 6)

• Balboa, © Hulton|Archive by Getty Images
  (Grade 3/Unit 4)

• Balboa and Spaniards fighting over gold, © Corbis
  (Grade 3/Unit 4)

• Balboa claiming the ocean for Spain, © Bettmann/Corbis
  (Grade 3/Unit 4)

• Balboa overlooking the Pacific Ocean, © Bettmann/Corbis
  (Grade 3/Unit 4)

• Bank scene in Florence, © Ted Spiegel/Corbis
  (Grade 3/Unit 2)

• Baron von Steuben drilling soldiers, © National Archives and Records Administration, Still Pictures Branch (NWDNS), National Archives at College Park, 8601 Adelphi Road, College Park, MD 20740-6001
  (Grade 3/Unit 10)

• Bartolomé de Las Casas, © Bettmann/Corbis
  (Grade 3/Unit 5; Grade 5/Unit 2)

• Bastille, © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Bastille crowds (crop), © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Battle between English and French, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Battle of Lexington, © Hulton|Archive by Getty Images
  (Grade 3/Unit 10)

• Battle of Maipu, © Index/Bridgeman Art Library
  (Grade 4/Unit 4)

• Battle scene, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Battle scene at Bastille, © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Battle scene at Gettysburg, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Battle scene between Cortes and Aztecs, © Bettmann/Corbis
  (Grade 3/Unit 5)

• Battle scene between Pizarro and Incas, © Hulton|Archive by Getty Images
  (Grade 3/Unit 5)

• Battle scene with cannon, © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Bell, © Getty Images
  (Grade 3/Unit 10)

• Ben Franklin portrait, © North Carolina Museum of Art/Corbis
  (Grade 4/Unit 2)

• Benin bronze statue of head, © Werner Forman/Corbis
  (Grade 3/Unit 7)

• Benjamin Franklin with bifocals, © Stock Montage
  (Grade 4/Unit 2)

• Benjamin Franklin with kite, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Bernardo O'Higgins, © Organization of American States
  (Grade 4/Unit 4)

• Birth of Pennsylvania, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Blood flow experiment, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Bodiam Castle, © Getty Images, Inc.
  (Grade 3/Unit 1,3)

• Boston Harbor, © Corbis
  (Grade 3/Unit 10)

• Boston Tea Party, © Architect of the Capitol
  (Grade 3/Unit 10)

• Boy piecer, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Brass head (rings around neck), © Werner Forman/Corbis
  (Grade 3/Unit 7)

• Bread riot in Paris, © Bettmann/Corbis
  (Grade 4/Unit 3)

• British surrender at Saratoga, © Stock Montage, Inc.
  (Grade 3/Unit 10)

• Bronze doors, © Arte & Immagini srl/Corbis
  (Grade 3/Unit 2)

• Bronze equestrian statue of Marcus Aurelius, © Sandro Vannini/Corbis
  (Grade 3/Unit 1)

• Bronze plaque of a Portuguese man, © Werner Forman/Corbis
  (Grade 3/Unit 7)

• Bronze statue of Queen Mother, © Werner Forman/Corbis
  (Grade 3/Unit 7)

• Brothers Grimm, © Austrian Archives/Corbis
  (Grade 4/Unit 6)

• Brunelleschi's Dome, © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Brunelleschi's dome, © Corbis Corporation
  (Grade 3/Unit 2)

• Building Jamestown, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Burning barn or landowner's home, © Rueters Newmedia Inc./Corbis
  (Grade 4/Unit 6)

• Bust, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Bust of Cicero, © Araldo de Luca/Corbis
  (Grade 3/Unit 1)

• Bust of Francesco, © Massimo Listri/Corbis
  (Grade 3/Unit 2)

• Busy canal scene in front of the Doge Palace, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• Busy port of Bristol circa 1800, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Cahokia Mound, © Richard A. Cooke/Corbis
  (Grade 5/Unit 1)

• Candle being used, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Cannon fire, © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Canterbury Cathedral, © ImageState
  (Grade 3/Unit 8)

• Canterbury Cathedral (reuse), © ImageState
  (Grade 3/Unit 3)

• Cape of Good Hope (map), © Corbis
  (Grade 3/Unit 4)

• Captain's logbook, © Todd Gipstein/Corbis
  (Grade 3/Unit 4)

• Captain John Smith, © Bettmann/Corbis
  (Grade 3/Unit 9)

• Capture of L'Ouverture, © Bettmann/Corbis
  (Grade 4/Unit 4)

• Caravel (new style of ship), © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 4)

• Cars and airplanes, © Corbis
  (Grade 4/Unit 2)

• Carved flower, © Getty Images, Inc.
  (Grade 3/Unit 6)

• Carved marble screens and tomb, © Sheldan Collins/Corbis
  (Grade 3/Unit 6)

• Cathedral, © ImageState
  (Grade 3/Unit 1)

• Catherine in a winter scene, © Bettmann/Corbis
  (Grade 4/Unit 6)

• Catherine the Great, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 6)

• Chambord Palace, © Copyright 2002 alamy.com
  (Grade 3/Unit 3

• Charles I, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Charles I meeting members of Parliament, © Bettmann/Corbis
  (Grade 3/Unit 8)

• Charles II, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Charles V, © Gianni Dagli Orti/Corbis
  (Grade 3/Unit 3)

• Charter from King Charles, © Burstein Collection/Corbis
  (Grade 5/Unit 3)

• Chateau du Chambord, © Copyright 2002 alamy.com
  (Grade 3/Unit 3)

• Chesapeake coastal plain, © Kevin Fleming/Corbis
  (Grade 5/Unit 3)

• Chess set, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Chief of Benin, © Daniel Lainé/Corbis
  (Grade 3/Unit 7)

• China, © Patrick Ward/Corbis
  (Grade 3/Unit 6)

• Christopher Columbus, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 4; Grade 5/Unit 2)

• Christopher Columbus landing, © Bettman/Corbis
  (Grade 3/Unit 4)

• Christopher Columbus reviewing map, © Historical Picture Archive/Corbis
  (Grade 3/Unit 4)

• Church in Delores, © Danny Lehman/Corbis
  (Grade 4/Unit 4)

• Cimabue e Giotto, Luigi Sabatelli I, © Arte & Immagini srl/Corbis
  (Grade 3/Unit 1)

• Cinderella, © Leonard de Selva/Corbis
  (Grade 4/Unit 6)

• City house, © Museum of the City of New York/Corbis
  (Grade 4/Unit 6)

• City of Benin, © Corbis
  (Grade 3/Unit 7)

• City of Cuzco (then), © Philip Baird, www.anthroarcheart.org
  (Grade 3/Unit 5)

• Clermont (Fulton's steamboat), © Bettmann/Corbis
  (Grade 4/Unit 5)

• Clock tower, © Photodisc
  (Grade 3/Unit 2)

• Clock tower with two figures on top, © Ruggero Vanni/Corbis
  (Grade 3/Unit 2)

• Close-up of map, © Corbis
  (Grade 4/Unit 1)

• Colonial kitchen, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Colonial kitchen (reuse), © Bettmann/Corbis
  (Grade 3/Unit 10)

• Colonial ship building, © North Wind Pictures
  (Grade 5/Unit 3)

• Colosseum ruins, © Corbis
  (Grade 3/Unit 1)

• Columbus' ships, © Corbis
  (Grade 3/Unit 4)

• Compass, © Victoria & Albert Museum, London / Art Resource, NY
  (Grade 5/Unit 2)

• Compass rose, © Corbis
  (Grade 3/Units 1,4)

• Confederate soldier (age 16) with gun, © Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA
  (Grade 4/Unit 6)

• Confederate soldiers looking cold and hungry, © Corbis
  (Grade 4/Unit 6)

• Confederate soldiers marching, © Stock Montage/Getty Images
  (Grade 4/Unit 6)

• Constantinople building with arches and domes, © Chris Hellier/Corbis
  (Grade 3/Unit 2)

• Constitution of France, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Constitution of the United States, © Joseph Sohm; Visions of America/Corbis
  (Grade 4/Unit 3)

• Constitutional Convention, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Construction of Fatehpur-sikri (Akbar's palace), © Victoria & Albert Museum, London / Art Resource, NY, Corn fields in Africa, © Liba Taylor/Corbis
  (Grade 3/Unit 6)

• Construction sketches, Leonardo da Vinci, © Bettmann/Corbis
  (Grade 3/Unit 2)

• Copernican Map of the Heavens, © Bettmann/Corbis
  (Grade 3/Unit 3; Grade 4/Unit 2,3)

• Copernicus, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Cornwallis, © Architect of the Capitol
  (Grade 3/Unit 10)

• Coronado's Conquistadors, © SuperStock
  (Grade 5/Unit 2)

• Coronation of William and Mary, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Cortes and Moctezuma meeting at Tenochtitlan, © Bettmann/Corbis
  (Grade 3/Unit 5)

• Cortes burning his ships, © Bettmann/Corbis
  (Grade 3/Unit 5)

• Cortes fleet sailing from Santiago, Cuba, © Bettmann/Corbis
  (Grade 3/Unit 5)

• Cortes riding into city, © Hulton|Archive by Getty Images
  (Grade 3/Unit 5)

• Cosimo de Medici, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• County Election, George Caleb Bingham, © Francis G. Mayer/Corbis
  (Grade 4/Unit 6)

• Courtier, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• Cover of denouncement, © Giraudon / Art Resource, NY
  (Grade 3/Unit 5)

• Crimea, © Historical Picture Archive/Corbis
  (Grade 4/Unit 6)

• Crop from library image, © Vittoriano Rastelli/Corbis
  (Grade 3/Unit 2)

• Crop of Aztec City, © Schalkwijk / Art Resource, NY
  (Grade 3/Unit 5)

• Crop of bronze plaque, © National Museum of African Art, Smithsonian Institution, Washington, DC
  (Grade 3/Unit 7)

• Crop of Declaration of Independence, © Library of Congress, Prints and Photographs Division (Lot 4412-LB)
  (Grade 3/Unit 10)

• Crop of gold, © Getty Images, Inc.
  (Grade 3/Unit 5)

• Crop of hands (Adam), © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Crop of map with monsters, © Corbiscrop of Northern Territory map, © Corbis Corporation
  (Grade 3/Unit 4)

• Crop of players at Globe Theatre, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Crop of Pope, © Erich Lessing / Art Resource, NY
  (Grade 4/Unit 3)

• Crop of the crowd , © Charles & Josette Lenars/Corbis
  (Grade 4/Unit 4)

• Crop of women singing, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 3)

• Crowd celebrating, © Corbis
  (Grade 4/Unit 3)

• Crowd outside exhibition, © Historical Picture Archive/Corbis
  (Grade 4/Unit 5)

• Crowd scene at cemetery, © Corbis
  (Grade 4/Unit 6)

• Crystal Palace exterior, © Historical Picture Archive/Corbis
  (Grade 4/Unit 5)

• Crystal Palace interior, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Cuzco street, © Philip Baird, www.anthroarcheart.org
  (Grade 3/Unit 5)

• Czar Alexander I, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Dante and Beatrice in Heaven, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 1)

• Dante's Dream at the Death of Beatrice, © Tate Gallery, London / Art Resource, NY
  (Grade 3/Unit 1)

• Daphnia (water flea), © Lester V. Bergman/Corbis
  (Grade 4/Unit 2)

• Death of Magellan, © Hulton|Archive by Getty Images
  (Grade 3/Unit 4)

• Debate in the Continental Congress, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Decartes giving a geometry lesson, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Decembrist Revolution (1825 St. Petersburg), © Private Collection/ Archives Charmet/ Bridgeman Art Library, Declaration of Independence of Argentina, © Index/Bridgeman Art Library
  (Grade 4/Unit 6)

• Declaration Committee, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Declaration of Independence, © Stock Montage, Inc.
  (Grade 3/Unit 10)

• Declaration of Independence, © Joseph Sohm; Visions of America/Corbis
  (Grade 4/Unit 3,4)

• Defeat of the Spanish Armada, © Bettmann/Corbis
  (Grade 3/Unit 8)

• Destroying the spinning jenny, © Bettmann/Corbis
  (Grade 4/Unit 5)

• Detail of Bingham painting
  (Grade 4/Unit 6)

• Detail of Cuba and Mexico , © Corbis
  (Grade 3/Unit 5)

• Detail of map, © Corbis
  (Grade 3/Unit 8)

• Detail of sheet music, © Francis G. Mayer/Corbis
  (Grade 3/Unit 3)

• Detail of soldiers around fire, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Detail of Washington and Lafayette, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Detail/Copernican Map of the Heavens, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Detail/Galileo's telescope, © Hulton|Archive by Getty Images
  (Grade 4/Unit 2)

• Diego Rivera painting, © Schalkwijk / Art Resource, NY
  (Grade 3/Unit 5)

• Digging machine, © University of Rochester, History Department
  (Grade 4/Unit 5)

• Diving machine (submarine), © Stock Montage, Inc.
  (Grade 4/Unit 5)

• Dome of the Duomo, © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Drafting of the Declaration, © Library of Congress, Prints and Photographs Division (Lot 4412-LB)
  (Grade 3/Unit 10; Grade 4/Unit 3)

• Drake attacking Spanish ships, © Bettmann/Corbis
  (Grade 3/Unit 8)

• Drop of water magnified, © Copyright 2002 alamy.com
  (Grade 4/Unit 2)

• Drop of water magnified, © Visuals Unlimited, Inc.
  (Grade 4/Unit 2)

• Duke of Wellington, © Christie's Images/Corbis
  (Grade 4/Unit 3)

• Dutch surrendering at New Amsterdam, © Bettmann/Corbis
  (Grade 3/Unit 9)

• Earth from Space, © Photo Library International/Corbis
  (Grade 3/Unit 1, 9; Grade 5/Unit 1)

• Eastern Woodland Indians, © Hulton|Archive by Getty Images
  (Grade 5/Unit 1)

• Edmund Randolph, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Elizabeth I, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 8)

• Embroidery sampler from Colonial period, © Francis G. Mayer/Corbis
  (Grade 3/Unit 10)

• Empress Theodora and Her Court, Ravenna, Italy , © Church of San Vitale, Ravenna, Italy/Canali PhotoBank, Milan/SuperStock
  (Grade 3/Unit 1)

• English fire ships create panic , © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• English fleet facing the Spanish Armada, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Engraving of Elizabeth I at Globe Theatre, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Engraving of the return of Charles II, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Engraving of Westminister complex, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Estates General, © Réunion des Musées Nationaux / Art Resource, NY
  (Grade 4/Unit 3)

• Etching of Parliament, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• European holding or firing a musket, © Bettmann/Corbis
  (Grade 3/Unit 7)

• Exterior of the Globe Theatre, © WildCountry/Corbis
  (Grade 3/Unit 8)

• Factory conditions, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Factory industry, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Factory overseer changing time, © Bettmann/Corbis
  (Grade 4/Unit 5)

• Factory overseer with watch, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Farmer and subject bearing gifts,Reproduced by kind permission of the Trustees of the Chester Beatty Library, Dublin
  (Grade 3/Unit 6)

• Father Hidalgo, © Danny Lehman/Corbis
  (Grade 4/Unit 4)

• Ferdinand and Isabella, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Ferdinand and Isabella, © Bettman/Corbis
  (Grade 3/Unit 4)

• Ferdinand Magellan, © Bettmann/Corbis
  (Grade 3/Unit 4)

• Fields of grain, © Getty Images
  (Grade 3/Unit 3)

• Fitted stones and complex ruins, © Philip Baird, www.anthroarcheart.org
  (Grade 3/Unit 5)

• Flag of modern Turkey, © Getty Images, Inc.
  (Grade 3/Unit 6)

• Floral and calligraphic inlay, © Robert Weinreb / Bruce Coleman Inc.
  (Grade 3/Unit 6)

• Flying Machine with Oars, Leonardo da Vinci, © Institut de France, Paris/SuperStock
  (Grade 3/Units 2,3,8)

• Forbidden City, © Liu Liqun/Corbis
  (Grade 3/Unit 7)

• Forbidden City (aerial) or Yongle (Yong Le), © Dean Conger/Corbis
  (Grade 3/Unit 7)

• Foreign exhibit, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Fort Sumter under attack, © Corbis
  (Grade 4/Unit 6)

• Founding of Technotitlan, © Gianni Dagli Orti/Corbis
  (Grade 3/Unit 5)

• Francis Drake, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Francis I, © Historical Picture Archive/Corbis
  (Grade 3/Unit 3,4)

• Francisco de Miranda, © Hulton|Archive by Getty Images
  (Grade 4/Unit 4)

• Francisco Vásquez de Coronado, © Bettmann/Corbis
  (Grade 5/Unit 2)

• Franklin as a statesman, © Library of Congress, Prints and Photographs Division (Lot 4412-LB)
  (Grade 4/Unit 2)

• French advance toward British, © Bettmann/Corbis
  (Grade 4/Unit 3)

• French battle (Bastille), © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• French flag, © Getty Images
  (Grade 4/Unit 3)

• French Revolution, © Bettmann/Corbis
  (Grade 4/Units 3, 4, 6)

• French Revolution ""Libertie"" painting, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 4)

• French schools, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• French watchmaker, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Frontispiece from Newton's Principia, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Frontispiece of Diderot's encyclopedia, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 2)

• Fulton studying paddlewheel, © Stock Montage
  (Grade 4/Unit 5)

• Galileo before Inquisition, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Galileo demonstrating telescope in Venice, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 3)

• Galileo Galilei, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Galileo looking through telescope, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3; Grade 4/Unit 2)

• Galileo with telescope, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Galileo with telescope, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Gallantry of Sir Walter Raleigh, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Galleries at the Globe Theatre, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Gangetic Plain (aerial photo), © Getty Images, Inc.
  (Grade 3/Unit 6)

• Gardens and pools on grounds, © Copyright 2002 alamy.com
  (Grade 3/Unit 6)

• Gate of Divine Might or Prowess, © Todd Gipstein/Corbis
  (Grade 3/Unit 7)

• Gate of Supreme Harmony (or Hall), © Brian A. Vikander/Corbis
  (Grade 3/Unit 7)

• General L'Ouverture, © Hulton|Archive by Getty Images
  (Grade 4/Unit 4)

• George Washington, © Museum of the City of New York/Corbis
  (Grade 4/Unit 3)

• George Washington (G. Stuart), © Museum of the City of New York/Corbis
  (Grade 4/Unit 3)

• George Washington, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• George Washington medallion, © Fred Smoot and http:www.indianpeacemedal.com
  (Grade 4/Unit 4)

• George Washington on balcony, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Gettysburg Address, © Todd Gipstein/Corbis
  (Grade 4/Unit 6)

• Gettysburg Cemetery, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Gettysburg Cemetery dedication, © Corbis
  (Grade 4/Unit 6)

• Gettysburg field, © David Muench/Corbis
  (Grade 4/Unit 6)

• Giovanni da Verrazano, © Bettmann/Corbis
  (Grade 5/Unit 2)

• Girl embroidering, © Christie's Images/Corbis
  (Grade 3/Unit 10)

• Girl scavenger, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Globe of the earth, © Corbis
  (Grade 4/Unit 1)

• Gold, © Getty Images, Inc.
  (Grade 3/Unit 6)

• Gondolier, © 2002 Corbis Corporation
  (Grade 3/Unit 2)

• Grain, © Corbis
  (Grade 3/Unit 6)

• Grand Bazaar, © Historical Picture Archive/Corbis
  (Grade 3/Unit 6)

• Grand Bazaar in Turkey (old market), © Historical Picture Archive/Corbis
  (Grade 3/Unit 6)

• Grand Bazaar in Turkey (today), © Wolfgang Kaehler/Corbis
  (Grade 3/Unit 6)

• Grandma (crop of family), © Corbis
  (Grade 4/Unit 5)

• Great Temple, © Philip Baird, www.anthroarcheart.org
  (Grade 3/Unit 5)

• Great Wall of China (expanse), © Keren Su/Corbis
  (Grade 3/Unit 7)

• Great Wall of China (towers), © Keren Su/Corbis
  (Grade 3/Unit 7)

• Greek or Roman busts or statues, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• Groundlings at the Globe Theatre, © Hulton|Archive by Getty Images, Group of children, © David Pollack/Corbis
  (Grade 3/Unit 8)

• Guillotine, © Paul Almasy/Corbis
  (Grade 4/Unit 3,4)

• Gutenberg at press, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Gutenberg Bible, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Gutenberg Bible, © James L. Amos/Corbis
  (Grade 3/Unit 3)

• Gutenberg press, © Mary Evans Picture Library
  (Grade 5/Unit 2)

• Hagia Sophia, © 1999-2002 Getty Images, Inc.
  (Grade 3/Unit 3)

• Hagia Sophia, © Getty Images, Inc.
  (Grade 3/Unit 3, 6)

• Hall of Supreme Harmony, © Brian A. Vikander/Corbis
  (Grade 3/Unit 7)

• Hansel and Gretel, © Bettmann/Corbis
  (Grade 4/Unit 6)

• Harbor of Calicut during arrival of Vasco da Gama, © Hulton|Archive by Getty Images
  (Grade 3/Unit 4)

• Harp , © Getty Images, Inc.
  (Grade 3/Unit 3)

• Harpsicord, © Getty Images, Inc.
  (Grade 3/Unit 3)

• Harvard, © Hulton Getty/Liaison Agency
  (Grade 5/Unit 3)

• Harvey with Charles I, © Hulton|Archive by Getty Images
  (Grade 4/Unit 2)

• Healing of Domoniac, Carpaccio, © Corbis Corporation
  (Grade 3/Unit 2)

• Henry the Navigator, © Scala / Art Resource, NY
  (Grade 5/Unit 2)

• Henry VIII, Hans Holbein, © Gianni Dagli Orti/Corbis
  (Grade 3/Units 3,8)

• Henry VIII and all of his wives, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Hernan Cortes, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 5)

• Hernando Coronado, © Bettmann/Corbis
  (Grade 5/Unit 2)

• Hernando Cortés, © Archivo Iconografico, S.A./Corbis
  (Grade 5/Unit 2)

• Hernando de Soto, © Hulton|Archive by Getty Images
  (Grade 5/Unit 2)

• Hernando de Soto traveling with his men, © Hulton|Archive by Getty Images
  (Grade 5/Unit 2)

• Hidalgo against the Spanish (battle), © Danny Lehman/Corbis
  (Grade 4/Unit 4)

• Hidalgo's army on the march, © Charles & Josette Lenars/Corbis
  (Grade 4/Unit 4)

• Himalayas, © Corbis
  (Grade 3/Unit 3, 4)

• Hiram Bingham, © NGS Image Collection
  (Grade 3/Unit 5)

• Hiram Bingham outside tent, © NGS Image Collection
  (Grade 3/Unit 5)

• History of US Logo, © Oxford University Press
  (Grade 5/Unit 1)

• Home industry, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Homer, Mattia Preti, © Arte & Immagini srl/Corbis
  (Grade 3/Unit 1)

• Hopewell farmers, © Bettmann/Corbis
  (Grade 5/Unit 1)

• Horse and carriage, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 2)

• House of Burgesses, Association for the Preservation of Virginia Antiquities
  (Grade 5/Unit 3)

• Houses of Parliament (current), © Corbis
  (Grade 3/Unit 8)

• Hunting buffalo, © Geoffrey Clements/Corbis
  (Grade 5/Unit 1)

• Ieyasu receiving Europeans, © Bettmann/Corbis
  (Grade 3/Unit 7)

• Ieyasu Tokugawa, © Ric Ergenbright/Corbis
  (Grade 3/Unit 7)

• Ignatius Loyola kneeling, © Scala / Art Resource, NY
  (Grade 3/Unit 3)

• Ignatius Loyola (militant), © Leonard de Selva/Corbis
  (Grade 3/Unit 3)

• Ignatuis Loyola (pacifist), © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Illustrated illuminated manuscript, © John Heseltine/Corbis
  (Grade 3/Unit 3)

• Illustration of Las Casas denouncement, © Giraudon / Art Resource, NY
  (Grade 3/Unit 5)

• Illustration of Tenochtitlan, © Schalkwijk / Art Resource, NY
  (Grade 3/Unit 5)

• illustrations from encyclopedia, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 2)

• Image of colorful buildings lining the canal, © Corbis
  (Grade 3/Unit 2)

• Image of Mount Vernon, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Image of wall to overlay a dragon, © Brian A. Vikander/Corbis
  (Grade 3/Unit 7)

• Independence Hall, © Corbis
  (Grade 3/Unit 10)

• Indian fur traders, © North Wind Pictures
  (Grade 5/Unit 3)

• Indian village, © Hulton|Archive by Getty Images
  (Grade 3/Unit 5)

• Indians working (crop from book cover), © Giraudon / Art Resource, NY
  (Grade 3/Unit 5)

• Industrial exhibit, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Interior of Suleymaniye Mosque, © Arthur Thévenart/Corbis
  (Grade 3/Unit 6)

• Interior of the Globe Theater, © Michael Nicholson/Corbis
  (Grade 3/Unit 8)

• Interior of Vatican Library, © Vittoriano Rastelli/Corbis
  (Grade 3/Unit 2)

• International Workingman Association card, © Hulton-Deutsch Collection/Corbis
  (Grade 4/Unit 5)

• Inuit, © Staffan Widstrand/Corbis
  (Grade 5/Unit 1)

• Inventions: bifocals, © Stock Montage
  (Grade 4/Unit 2)

• Inventions: Franklin stove, © Michael Boys/Corbis
  (Grade 4/Unit 2)

• Iroquois warrior, © Corbis
  (Grade 5/Unit 1)

• Isaac Newton, © Hulton|Archive by Getty Images
  (Grade 4/Unit 2)

• Isaac Newton (young), © Hulton|Archive by Getty Images
  (Grade 4/Unit 2)

• Isabella de Este's music room, © Ted Spiegel/Corbis
  (Grade 3/Unit 2)

• Isabella d'Este portrait, © Burstein Collection/Corbis
  (Grade 3/Unit 2)

• Isabella d'Este, Leonardo da Vinci, © Réunion des Musées Nationaux / Art Resource, NY
  (Grade 3/Unit 2)

• Isabella's court (library), © Ted Spiegel/Corbis
  (Grade 3/Unit 2)

• Jacques Cartier, © Mansell/TimePix
  (Grade 5/Unit 2)

• Jacques Marquette and Louis Joliet, © Bettmann/Corbis
  (Grade 5/Unit 2)

• Jade carving of an animal (jade seals), © Charles & Josette Lenars/Corbis
  (Grade 3/Unit 7)

• James I, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• James I on throne, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• James II of England, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• James Madison, © Bettmann/Corbis
  (Grade 4/Unit 3)

• James Watt, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Jamestown, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Jamestown geography, © Hulton Getty/Liaison Agency
  (Grade 5/Unit 3)

• Jamestown settlement, © Hulton|Archive by Getty Images
  (Grade 5/Unit 3)

• Jan van Eyck, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Japanese castle, © Getty Images, Inc.
  (Grade 3/Unit 7)

• Jefferson sitting in chair, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Jefferson with Franklin, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Jefferson's first draft, © Corbis
  (Grade 4/Unit 3)

• Jesuit School (in context), © Ted Streshinsky/Corbis
  (Grade 3/Unit 3)

• Joachim's Dream, Giotto, © Cameraphoto / Art Resource, NY
  (Grade 3/Unit 1)

• Johannes Gutenberg, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3; Grade 4/Unit 6)

• John Locke, © Bettmann/Corbis
  (Grade 4/Unit 3)

• John Locke's book, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• John McAdam, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• John Smith, © Bettmann/Corbis
  (Grade 5/Unit 3)

• John Winthrop lands in Massachusetts, © Bettmann/Corbis
  (Grade 5/Unit 3)

• Jose de San Martin, © Organization of American States
  (Grade 4/Unit 4)

• Karl Marx, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 5)

• Karl Marx and his daughter, © Bettmann/Corbis
  (Grade 4/Unit 5)

• King and Queen captured, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• King and Queen taken back to Paris, © Gianni Dagli Orti/Corbis
  (Grade 4/Unit 3)

• King Charles II, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• King James II, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• King John II of Portugal, © Hulton|Archive by Getty Images

• King Louis XVI and Marie Antoinette, © Bettmann/Corbis
  (Grade 4/Unit 3)

• King Louis XVI at the guillotine, © Leonard de Selva/Corbis
  (Grade 4/Unit 3)

• King William III and Queen Mary II, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Knight, Death and Devil, Albrecht Dürer, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 3)

• Koh-I-Noor diamond, © Hulton|Archive by Getty Images
  (Grade 4/Unit 8)

• Lafayette during Revolutionary War, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Lafayette standing having discussion, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• Lamp/electric lights being used, © Jack Hollingsworth/Corbis
  (Grade 4/Unit 2)

• Landing at Jamestown, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Landing of Pilgrims, © Burstein Collection/Corbis
  (Grade 5/Unit 3)

• Landing of William of Orange, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Laocoon, © Araldo de Luca/Corbis
  (Grade 3/Unit 1)

• Laquered chest, © Christie's Images/Corbis
  (Grade 3/Unit 7)

• Las Casas writing at desk, © Bettmann/Corbis
  (Grade 3/Unit 5)

• Latitude and longitude, © Getty Images, Inc.
  (Grade 4/Unit 1; Grade 5/Unit 1)

• Leonardo da Vinci's anatomical studies, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Lesson Opener, © Chris Hellier/Corbis
  (Grade 3/Unit 6)

• Liberating expedition of Peru, © Index/Bridgeman Art Library
  (Grade 4/Unit 4)

• Liberty Leading the People, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• Liberty Tree (elm tree) and engraving of men--reference for illustration, © Stock Montage, Inc.
  (Grade 3/Unit 10)

• Lincoln giving speech, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Lion of St. Mark, © Francesco Venturi/Corbis
  (Grade 3/Unit 2)

• Llamas, © Corbis
  (Grade 3/Unit 5)

• London skyline with Thames River, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• London's East End slums, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Lorenzo among artists, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• Lorenzo reading to family, © Hulton|Archive by Getty Images
  (Grade 3/Unit 2)

• Lorenzo with poets and philosophers, © Scala / Art Resource, NY
  (Grade 3/Unit 2)

• Lornezo de'Medici, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• "Lost" Colony of Roanoke, © From the Collections of The Mariners' Museum, Newport News, VA
  (Grade 3/Unit 8)

• Louis XVI, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)
• Louis XVI at the guillotine, © Leonard de Selva/Corbis
  (Grade 4/Unit 3)

• Louis entering Paris, © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Louis XVI and Marie Antoinette, © Bettmann/Corbis
  (Grade 4/Unit 3)

• L'Ouverture as Haitian leader, © Corbis
  (Grade 4/Unit 4)

• Loyola with Pope Paul III, © Scala / Art Resource, NY
  (Grade 3/Unit 3)

• Lute, © Getty Images, Inc.
  (Grade 3/Unit 3)

• Luther before Charles V at the Diet of Worms, © Hulton-Deutsch Collection/Corbis
  (Grade 3/Unit 3)

• Luther Bible with Martin Luther's annotations in the margins, © James L. Amos/Corbis
  (Grade 3/Unit 3)

• Luther nailing theses , © Hulton Getty / Liaison Agency
  (Grade 3/Unit 3)

• Luther's room at Wartburg Castle, © Underwood & Underwood/Corbis
  (Grade 3/Unit 3)

• Machu Picchu, © Getty Images, Inc.
  (Grade 3/Unit 5)

• Madonna and Child, Giotto, © 2001 Board of Trustees, National Gallery of Art, Washington
  (Grade 3/Unit 1)

• Magellan, © Bettmann/Corbis
  (Grade 3/Unit 4)

• Magellan discovering path to the Pacific, © Hulton|Archive by Getty Images
  (Grade 3/Unit 4)

• Magellan Strait, © Stock Montage, Inc.
  (Grade 3/Unit 4)

• Magellan's ship crossing the Atlantic, © Erich Lessing / Art Resource, NY
  (Grade 3/Unit 4)

• Man playing viol, © Scala / Art Resource, NY
  (Grade 3/Unit 2)

• Man whittling near fireplace, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Mandan Indians (interior space), © Historical Picture Archive/Corbis
  (Grade 3/Unit 9)

• Map, © Corbis
  (Grade 4/Unit 1)

• Map of Crimea, © Corbis
  (Grade 4/Unit 6)

• Map of Europe, © Corbis
  (Grade 3/Unit 3)

• Map of Florence, © Scala/Art Resource, NY
  (Grade 3/Unit 2, 3)

• Map of Heavens, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Map of Hispaniola, © Corbis
  (Grade 3/Unit 4; Grade 4/Unit 4)

• Map of Italy, © Corbis
  (Grade 3/Unit 2)

• Map of New Spain, © Corbis
  (Grade 4/Unit 4)

• Map of North and South America
  (Grade 3/Unit 4)

• Map of the 13 colonies, © Corbis
  (Grade 3/Unit 9)

• Map of the United States by territory (c. 1850), © Bettmann/Corbis
  (Grade 4/Unit 6)

• Map of Venezuela, 1810-1820, © Library of Congress Geography and Map Division Washington, D.C. 20540-4650
  (Grade 4/Unit 4)

• Marcus Aurelius, © Sandro Vannini/Corbis
  (Grade 3/Unit 1)

• Marquis de Lafayette, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• Martha Washington, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Martha Washington at Valley Forge, © National Archives and Records Administration, Still Pictures Branch (NWDNS), National Archives at College Park, 8601 Adelphi Road, College Park, MD 20740-6001
  (Grade 3/Unit 10)

• Martin Luther, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3; Grade 4/Unit 6)

• Martin Luther, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Martin Luther nailing theses, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Martin Luther with family, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Maryland colony, © Stock Montage, Inc.
  (Grade 3/Unit 9)

• Maryland settlement, St. Mary's City, © Stock Montage, Inc.
  (Grade 3/Unit 9)

• Massachusetts rocky coast, © Rose Hartman/CORBIS
  (Grade 5/Unit 3)

• Massachusetts rocky farmland, © North Wind Pictures
  (Grade 5/Unit 3)

• Massasoit and Plymouth treaty, © North Wind Pictures
  (Grade 5/Unit 3)

• Massasoit visits the Puritans, © Bettmann/Corbis
  (Grade 5/Unit 3)

• Maximilien Robespierre, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• Maya City: overview of Tikal, © Macduff Everton/ImageState
  (Grade 3/Unit 5)

• Mayan ball court, © Philip Baird, www.anthroarcheart.org
  (Grade 3/Unit 5)

• Mayan ball player, © Gianni Dagli Orti/Corbis
  (Grade 3/Unit 5)

• Mayan King stelae, © Philip Baird, www.anthroarcheart.org
  (Grade 3/Unit 5)

• Mayan ruins, © ImageState
  (Grade 3/Unit 5, 6)

• Mayflower, © Bettmann/Corbis
  (Grade 3/Unit 9; Grade 5/Unit 3)

• Mayflower compact, © Hulton|Archive by Getty Image
  (Grade 5/Unit 3)

• Medici celebration-banquet, © Ali Meyer/Corbis
  (Grade 3/Unit 2)

• Medieval cathedral (Notre Dame), © Corbis Corporation
  (Grade 3/Unit 1)

• Men in a Tavern, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Merchant ship circa 1800, © Royalty-Free/Corbis
  (Grade 4/Unit 5)

• Meridian Gate, © Liu Liqun/Corbis
  (Grade 3/Unit 7)

• Mexican flag, © Getty Images, Inc.
  (Grade 3/Unit 5; Grade 4/Unit 4)

• Michelangelo, © Hulton|Archive by Getty Images
  (Grade 3/Unit 2)

• Microorganisms: diatoms, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Miguel Hidalgo, © Charles & Josette Lenars/Corbis
  (Grade 4/Unit 4)

• Miguel Hidalgo, © Bettmann/Corbis
  (Grade 4/Unit 4)

• Minature painting by Robert Fulton, © National Portrait Gallery, Smithsonian Institution / Art Resource, NY
  (Grade 4/Unit 5)

• Ming porcelin, © Corbis
  (Grade 3/Unit 7)

• Ming vase, © Royal Ontario Museum/Corbis
  (Grade 3/Unit 7)

• Ming vase, © Honeychurch Antiques, Ltd./Corbis
  (Grade 3/Unit 7)

• Ming vase (blue & white), © Royal Ontario Museum/Corbis
  (Grade 3/Unit 7)

• Modern day swing set , © Getty Images, Inc.
  (Grade 3/Unit 2)

• Modern encyclopedia set, © K12 Inc.
  (Grade 4/Unit 2)

• Modern Inuit, © Staffan Widstrand/Corbis
  (Grade 5/Unit 1)

• Modern Inuit on snow mobiles, © Roger Tidman/Corbis
  (Grade 5/Unit 1)

• Modern Iroquois and Longhouse, © Nathan Benn/Corbis
  (Grade 5/Unit 1)

• Modern medicine, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Modern world montage, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Mona Lisa, Leonardo da Vinci, © Musée du Louvre, Paris/AKG, Berlin/SuperStock
  (Grade 3/Unit 2)

• Monastery of Montecassino, © Vittoriano Rastelli/Corbis
  (Grade 3/Unit 1)

• Montezuma, © Bettmann/Corbis
  (Grade 3/Unit 5; Grade 5/Unit 2)

• Mosque in India, © Getty Images, Inc.
  (Grade 3/Unit 6)

• Mt. Fuji, © Corbis
  (Grade 4/Unit 1)

• Mullahs, Reproduced by kind permission of the Trustees of the Chester Beatty Library, Dublin
  (Grade 3/Unit 6)

• Napoleon Bonaparte, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Napoleon and Josephine leaving the cathedral, © Gianni Dagli Orti/Corbis
  (Grade 4/Unit 3)

• Napoleon at St. Helena, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Napoleon at Waterloo, © Christie's Images/Corbis
  (Grade 4/Unit 3)

• Napoleon crowning himself, © Sandro Vannini/Corbis
  (Grade 4/Unit 3)

• Napoleon crowning himself emperor, © Leonard de Selva/Corbis
  (Grade 4/Unit 4)

• Napoleon crowning Josephine, © Erich Lessing / Art Resource, NY
  (Grade 4/Unit 3, 6)

• Napoleon in Egypt, © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Napoleon on horse, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3, 6)

• Napoleon the Emperor, © Sandro Vannini/Corbis
  (Grade 4/Unit 3)

• Napoleon the General, © Christie's Images/Corbis
  (Grade 4/Unit 3)

• Napoleon with cannons, © Hulton-Deutsch Collection/Corbis
  (Grade 4/Unit 3)

• Napoleon's final defeat, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Napoleon's return, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Neuschwanstein Castle, © Corbis
  (Grade 4/Unit 6)

• New Amsterdam, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• "New" Parliament, © Corbis
  (Grade 3/Unit 8)

• Newton experimenting with light, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Newton experimenting with light, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Newton observing apple, © Hulton|Archive by Getty Images
  (Grade 4/Unit 2)

• Nicholas I, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Nicolaus Copernicus, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Nijo Castle in Edo, © Courtesy of the National Museum of Japanese History
  (Grade 3/Unit 7)

• Nina, Pinta, and Santa Maria, © Corbis
  (Grade 5/Unit 2)

• Old map with monsters (Atlantic Ocean), © Corbis
  (Grade 3/Unit 4)

• "Old" Parliament, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Owner, © Bettmann/Corbis
  (Grade 4/Unit 5)

• Paddleboat, © University of Rochester, History Department
  (Grade 4/Unit 5)

• Page from Diderot's encyclopedia, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 2)

• Page from Newton's Principia, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 2)

• Painting of a boy in bed, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Painting of a man in bed, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Pantheon-reuse, © Sean Sexton Collection/Corbis
  (Grade 3/Unit 2)

• Parliament, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Party scene, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Patrick Henry, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Peaceful Americans , © Bettmann/Corbis
  (Grade 4/Unit 3)

• Peasants in field, © Scheufler Collection/Corbis
  (Grade 4/Unit 6)

• Pennsylvania settlement, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Peter looking at plans, © Bettmann/Corbis
  (Grade 4/Unit 6)

• Peter the Great, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 6)

• Peter working as an apprentice, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Peter's beard census, © AKG London
  (Grade 4/Unit 6)

• Peter's Palace, © Getty Images
  (Grade 4/Unit 6)

• Phillip II, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Photo of a gondolier (detail), © Scala / Art Resource, NY
  (Grade 3/Unit 2)

• Photo of lightning and thunderstorm, © Getty Images, Inc.
  (Grade 4/Unit 2)

• Photo of Venice, © Corbis Corporation
  (Grade 3/Unit 2)

• Physical map of North America, © Stocktrek/Corbis
  (Grade 5/Unit 1)

• Pilgrims landing in Plymouth, © Museum of the City of New York/Corbis
  (Grade 3/Unit 9)

• Play at the Globe Theatre, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Play performance at the Fortune Theatre, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Pocahontas marries Rolfe, © North Wind Pictures
  (Grade 5/Unit 3)

• Political cartoon, © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Political cartoon, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Ponce de León, © Bettmann/Corbis
  (Grade 5/Unit 2)

• Porcelain, © Honeychurch Antiques, Ltd./Corbis
  (Grade 5/Unit 2)

• Porcelain, © Royal Ontario Museum/Corbis
  (Grade 5/Unit 2)

• Port of Portugal, © Bettmann/Corbis

• Portrait of Aquinas, © National Gallery Collection; By kind permission of the Trustees of the National Gallery, London/Corbis
  (Grade 3/Unit 1)

• Portrait of Aristotle, © Bettmann/Corbis
  (Grade 3/Unit 2)

• Portrait of Babur, © Hulton|Archive by Getty Images
  (Grade 3/Unit 6)

• Portrait of Balboa, © Bettmann/Corbis
  (Grade 3/Unit 4)

• Portrait of Brunelleschi, © Hulton|Archive by Getty Images
  (Grade 3/Unit 2)

• Portrait of Charles V, © Gianni Dagli Orti/Corbis
  (Grade 3/Unit 5)

• Portrait of Christopher Columbus, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 4)

• Portrait of Cicero (bust), © Araldo de Luca/Corbis
  (Grade 3/Unit 1)

• Portrait of Cortes, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 5)

• Portrait of Cosimo de'Medici, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• Portrait of Dante, © David Lees/Corbis
  (Grade 3/Unit 1)

• Portrait of Diderot, © Leonard de Selva/Corbis
  (Grade 4/Unit 2)

• Portrait of Father Hidalgo, © Bettmann/Corbis
  (Grade 4/Unit 4)

• Portrait of Ferdinand Magellan, © Bettmann/Corbis
  (Grade 3/Unit 4)

• Portrait of Galileo, © Hulton|Archive by Getty Images
  (Grade 3/Unit 3)

• Portrait of George Calvert, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Portrait of Grant, © Hulton-Deutsch Collection/Corbis
  (Grade 4/Unit 6)

• Portrait of heavy-set Thomas Aquinas, © Erich Lessing / Art Resource, NY
  (Grade 3/Unit 1)

• Portrait of Isabella, © Burstein Collection/Corbis
  (Grade 3/Unit 2)

• Portrait of James II, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Portrait of James Oglethorpe, © Stock Montage, Inc.
  (Grade 3/Unit 9)

• Portrait of John Adams, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Portrait of Julius II, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 2)

• Portrait of King George III, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 10)

• Portrait of Lafayette, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• Portrait of Laura, © Scala / Art Resource, NY
  (Grade 3/Unit 1)

• Portrait of Louis XVI, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• Portrait of Miranda, © Hulton|Archive by Getty Images
  (Grade 4/Unit 4)

• Portrait of Moctezuma, © Bettmann/Corbis
  (Grade 3/Unit 5)

• Portrait of Pedro Cabral, © Corbis
  (Grade 3/Unit 4)

• Portrait of Petrarch, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 1)

• Portrait of Queen Elizabeth I, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 8)

• Portrait of Shah Jahan and Mumtaz Mahal, © Hulton|Archive by Getty Images
  (Grade 3/Unit 6)

• Portrait of Shakespeare, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Portrait of Simon Bolivar, © Bettmann/Corbis
  (Grade 4/Unit 4)

• Portrait of Sir Francis Drake, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Portrait of Sir Walter Raleigh, © Bettmann/Corbis
  (Grade 3/Unit 8)

• Portrait of Suleyman (Suleiman), © Ali Meyer/Corbis
  (Grade 3/Unit 6)

• Portrait of the Doge, Andrea Gritti, © National Gallery Collection; By kind permission of the Trustees of the National Gallery, London/Corbis
  (Grade 3/Unit 2)

• Portrait of Thomas Aquinas, © National Gallery Collection; By kind permission of the Trustees of the National Gallery, London/Corbis
  (Grade 3/Unit 1)

• Portrait of Vasco da Gama, © Hulton|Archive by Getty Images
  (Grade 3/Unit 4)

• Portrait of Virgil, © Hulton Getty/Liaison Agency
  (Grade 3/Unit 1)

• Portrait of Virgil, © David Lees/Corbis
  (Grade 3/Unit 1)

• Portrait of Thomas Jefferson, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Portuguese traders and missionaries in Japan, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 7)

• Potemkin Village, © Stock Montage, Inc.
  (Grade 4/Unit 6)

• Potlatch dancers, © Corbis
  (Grade 5/Unit 1)

• Practice of blood letting, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Presenting the Declaration of Independence, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Presenting the Declaration, © Joseph Sohm; Visions of America/Corbis
  (Grade 4/Unit 3)

• Primavera, Sandro Boticelli, © David Lees/Corbis
  (Grade 3/Unit 1, 2)

• Prince Henry the Navigator, © Scala / Art Resource, NY
  (Grade 3/Unit 4)

• Printing press, © Underwood & Underwood/Corbis
  (Grade 4/Unit 2)

• Profile of a Soldier, Leonardo da Vinci, © Bettmann/Corbis
  (Grade 3/Unit 3)

• Public reading of the Declaration of Independence, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Pueblos, © Adam Woolfitt/Corbis
  (Grade 5/Unit 1)

• Puritans in New England, © Bettmann/Corbis
  (Grade 5/Unit 3)

• Puritans or Puritan settlement, © Bettmann/Corbis
  (Grade 3/Unit 9)

• Quakers or Quaker settlement, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Queen Elizabeth I, © Archivo Iconografico, S.A./Corbis
  (Grade 3/Unit 8, 9; Grade 5/Unit 2)

• Queen Elizabeth I knights Drake, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Queen Elizabeth in procession, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Queen Mary II of England, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Queen Victoria and Prince Albert, © Stapleton Collection/Corbis
  (Grade 4/Unit 5)

• Quipu (Inca counting necklace), © Charles & Josette Lenars/Corbis
  (Grade 3/Unit 5)

• Reconstructed soldier's cabins at Valley Forge, © Hulton|Archive by Getty Images
  (Grade 3/Unit 10)

• Recorder, © Getty Images, Inc.
  (Grade 3/Unit 3)

• Red blood cells, © Visuals Unlimited, Inc.
  (Grade 4/Unit 2)

• Red Riding Hood, © Bettmann/Corbis
  (Grade 4/Unit 6)

• Red velvet book with silver clasp, © Elio Ciol/Corbis
  (Grade 3/Unit 2)

• Refusing to work (settlers at Jamestown), © Stock Montage, Inc.
  (Grade 3/Unit 9)

• Renaissance Banquet, © Scala / Art Resource, NY
  (Grade 3/Unit 3)

• Renaissance clothes, © Bettmann/Corbis
  (Grade 3/Unit 2)

• Rene Descartes, © Leonard de Selva/Corbis
  (Grade 4/Unit 2)

• René Robert Cavelier LaSalle, © Corbis
  (Grade 5/Unit 2)

• Reniassance scholar, © Historical Picture Archive/Corbis
  (Grade 3/Unit 2)

• Replica of the Golden Hind, © Joel W. Rogers/Corbis
  (Grade 3/Unit 8)

• Reuse of Colosseum, © Corbis
  (Grade 3/Unit 1)

• Rialto bridge--during Renaissance period, © Scala / Art Resource, NY
  (Grade 3/Unit 2)

• Rich and poor, © Historical Picture Archive/Corbis
  (Grade 4/Unit 5)

• Ringing of the Bell, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Riverboat on the Mississippi, © Smithsonian American Art Museum, Washington, DC / Art Resource, NY
  (Grade 4/Unit 6)

• Roanoke, © Stock Montage, Inc.
  (Grade 5/Unit 2)

• Robert Fulton, © Stock Montage
  (Grade 4/Unit 5)

• Robert Fulton working at desk, © Stock Montage
  (Grade 4/Unit 5)

• Robert Hooke's book, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Robert Hooke's microscope, © Hulton|Archive by Getty Images
  (Grade 4/Unit 2)

• Robespierre, © Archivo Iconografico, S.A./Corbis
  (Grade 4/Unit 3)

• Roman ruins, © Corbis Corporation
  (Grade 3/Unit 2)

• Royal family leaving Paris, © Gianni Dagli Orti/Corbis
  (Grade 4/Unit 3)

• Royal sledges, © Private Collection/The Stapleton Collection/Bridgeman Art Library
  (Grade 4/Unit 6)

• Rugs, © Getty Images, Inc.
  (Grade 3/Unit 6)

• Ruins of Roman Forum, © ImageState
  (Grade 3/Unit 1)

• Russian serfs, © Scala / Art Resource, NY
  (Grade 4/Unit 6)

• Samoset and Squanto visiting Plymouth, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Samoset entering Plymouth, © Stock Montage, Inc.
  (Grade 3/Unit 9)

• Samoset visits Plymouth, © North Wind Pictures
  (Grade 5/Unit 3)

• Samuel Adams, © Stock Montage, Inc.
  (Grade 3/Unit 10)

• Samuel Adams (reuse), © Stock Montage, Inc.
  (Grade 3/Unit 10)

• Samuel de Champlain, © Bettmann/Corbis
  (Grade 5/Unit 2)

• San Martin and O'Higgins crossing the Andes, © Bettmann/Corbis
  (Grade 4/Unit 4)

• Savannah city plan, © Hulton|Archive by Getty Images
  (Grade 3/Unit 9)

• Scale from antique map, © Corbis
  (Grade 3/Unit 3)

• Scene from modern production of Henry V, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Scenic view of Gettysburg, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Self-Portrait, George Caleb Bingham, © National Portrait Gallery, Smithsonian Institution / Art Resource, NY
  (Grade 4/Unit 6)

• Self-Portrait (1498), Albrecht Dürer, © Gianni Dagli Orti/Corbis
  (Grade 3/Unit 3; Grade 4/Unit 6)

• Self-Portrait (1500), Albrecht Dürer, © Giraudon / Art Resource, NY
  (Grade 3/Unit 3)

• Self-Portrait, Leonardo da Vinci, © Biblioteca Reale, Turin, Italy/ SuperStock
  (Grade 3/Unit 2, 3)

• Settlers in Jamestown, © Hulton|Archive by Getty Image
  (Grade 5/Unit 3)

• Settlers landing in America, © Bettmann/Corbis
  (Grade 5/Unit 3)

• Settlers plant tobacco, © Hulton|Archive by Getty Image
  (Grade 5/Unit 3)

• Shah Jahan, © Hulton|Archive by Getty Images
  (Grade 3/Unit 6)

• Shah Jahan and Mumtaz Mahal, © Hulton|Archive by Getty Images
  (Grade 3/Unit 6)

• Shakespeare, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Shakespeare reciting at the royal court, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Shay's Rebellion, © Hulton|Archive by Getty Images
  (Grade 4/Unit 3)

• Sheet music for "Mighty Fortress is our God", © James L. Amos/Corbis
  (Grade 3/Unit 3)

• Siberian prisoners, © Corbis
  (Grade 4/Unit 6)

• Sick people prior to 1600s, © Bettmann/Corbis
  (Grade 4/Unit 2)

• Signing of the Constitution, © Bettmann/Corbis
  (Grade 4/Unit 3)

• Signing of the Declaration of Independence, © Bettmann/Corbis
  (Grade 3/Unit 10)

• Signing the Tennis Court Oath (detail), © Giraudon / Art Resource, NY
  (Grade 4/Unit 3)

• Silk, © Getty Images, Inc.
  (Grade 3/Unit 7; Grade 5/Unit 2)

• Silk cocoons, © Getty Images, Inc.
  (Grade 3/Unit 7)

• Simon Bolivar, © Bettmann/Corbis
  (Grade 4/Unit 4)

• Sinan Bridge, © Otto Lang/Corbis
  (Grade 3/Unit 6)

• Sinan Fountain, © Vanni Archive/Corbis
  (Grade 3/Unit 6)

• Sir Francis Drake lawn bowling, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Sir Isaac Newton, © Hulton|Archive by Getty Images
  (Grade 4/Unit 2)

• Sir Walter Raleigh, © Bettmann/Corbis
  (Grade 5/Unit 2)

• Sistine Chapel, © Scala / Art Resource, NY
  (Grade 3/Unit 2)

• Sistine Chapel ceiling (detail), © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Sistine Chapel, Creation of Adam, © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Sistine Chapel, enlargement, © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Sistine Chapel, entire ceiling, © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Sistine Chapel, Noah, © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Sistine Chapel, Prophet Zechariah, © Scala/Art Resource, NY
  (Grade 3/Unit 2)

• Sketch of Watt's steam engine, © Hulton|Archive by Getty Images
  (Grade 4/Unit 5)

• Sketches of the human body, Leonardo da Vinci, © Bettmann/Corbis
  (Grade 3/Unit 2)

• Slaves cutting sugar cane, © Hulton|Archive by Getty Images
  (Grade 4/Unit 4)

• Slaves working in house, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Slaves working in sugar fields, © Hulton|Archive by Getty Images
  (Grade 5/Unit 2)

• Slaves working on plantation, © Bettmann/Corbis, Smallpox hospital ward, © Hulton|Archive by Getty Images
  (Grade 4/Unit 6)

• Slaves working on a plantation, © Gibbes Museum of Art
  (Grade 3/Unit 9)

• Snow White, © Historical Picture Archive/Corbis
  (Grade 4/Unit 6)

• Soldiers of ancient armor on Great Wall, © AFP/Corbis
  (Grade 3/Unit 7)

• Spanish Armada, © Hulton|Archive by Getty Images
  (Grade 3/Unit 8)

• Spanish Armada sailing for England, © Bettmann/Corbis
  (Grade 3/Unit 8)

• Spanish gold in hand, © Jeffrey L. Rotman/Corbis
  (Grade 3/Unit 5)

• Spanish mission, © Karl Weatherly/Corbis
  (Grade 5/Unit 2)