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  1. Francesco Sforza, military leader
  2. Austenaco, Great Warrior, Commander in Chief of the Cherokee Nation
  3. Angela Davis (1944- )
  4. Montgolfier Brothers Hot-air Balloon Before the Royal Family at Versailles, 1783
  5. Flatboat, 19th Century
  6. The Parthenon, Acropolis, UNESCO World Heritage Site, Athens, Greece, Europe
  7. World War II poster of an engineer rolling up his sleeves and a locomotive in motion
  8. Heart and lungs, historical illustration
  9. Supreme Court Room In The Capitol
  10. The Consecration of the Emperor Napoleon and the Coronation of the Empress Josephine
  11. In 1765, General Edward Braddock was ambushed by French soldiers and Canadian Indians
  12. Angela Davis (1944- )
  13. Titanic survivors in lifeboat
  14. The Sinking of the Laconia in 1942
  15. Frank Whittle's early development of the jet engine
  16. Morning light on the Treasury, Petra, Wadi Musa, Jordan
  17. Cars at the Whitestone Bridge Drive-In Theater which opened in August 1949
  18. Thurgood Marshall (1908-1993)
  19. Benjamin Franklin (1706-1790), C1779
  20. Map Of the Battle Of Gettysburg, 1863
  21. President John Adams
  22. Honest Abe Lincoln
  23. In With the Horse Herd
  24. Vintage Civil War print of President Abraham Lincoln and his cabinet
  25. Road Leading To Kilkea Castle At Sundown, County Kildare, Ireland
  26. RMS Titanic departing from Southanpton on her maiden voyage, April 5, 1912
  27. World War II poster of a smiling female officer of the U.S. Army Medical Corps
  28. Portrait of Andrew Jackson
  29. Police in Waiting Room of the Union Station, Chicago
  30. Antique map of Denmark
  31. Sir Francis Drake's voyage 1585-1586
  32. Nikola Tesla With Machine
  33. Ortelius's map of Greece, 1570
  34. For Your Country's Sake Today - Women in the Armed Forces
  35. World War II poster of a bald eagle flying in the sky with fighter planes
  36. Modern Comanche, 1891
  37. Highway In Burk-Waggoner Oil Pool
  38. Classiebawn Castle With Ben Bulben In The Distance, Mullaghmore, County Sligo, Ireland
  39. Unfinished Portrait of Napoleon I formerly attributed to Jacques Louis David 1808
  40. Steamship Poster, 1873
  41. Electronic simulator, 1954
  42. Muhammad Ali on the shore of the Congo River, Kinshasa, Zaire
  43. Old Church at Pueblo of Acoma New Mexico Vintage Photograph
  44. Lavoisier equipment, 1787
  45. Niagara Falls
  46. World War II poster of tanks rolling into battle and a locomotive in motion
  47. Washing Gold, Calaveras, California, 1853
  48. Navajos In Fort Defiance