People think of history as a constant, like it can never be changed. While events from our past can never be altered, how we come to understand them can change at any moment when we find out more information.

Regardless of what you learned in history class, there is still a wealth of knowledge out there that most of us have never learned about. Thanks to these rare images, however, those blanks are finally about to be filled in. Are you ready to learn the real truth?

1. Titanic lifeboats in search of rescue come across the RMS Carpathia in 1912.

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2. In the back row and in dead center, young Adolf Hitler stands with his classmates, 1899.Wikimedia Commons

3. Tutankhamen’s tomb in 1922. The seal to it remained unbroken for 3,245 years.

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4. The Mona Lisa in Florence, 1913. It was recovered from thieves after they stole it from the Louvre two years prior.Wikimedia Commons

5. A Japanese soldier takes his life with a grenade in New Guinea as an Australian solider looks on, 1942.Wikimedia Commons

6. What was left of Lebanon’s Temple of Jupiter, taken sometime between 1870 and 1885.

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7. This is what Lewis Payne, a man instrumental to the Lincoln assassination, looked like in a colorized photo. He was waiting for his execution in 1865.

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8. Japanese soldiers use Chinese prisoners as live targets for bayonet practice in 1938.Wikimedia Commons

9. A couple living in Korea in 1904.Wikimedia Commons

10. In 1873, Little Coyote and Morning Star were the heads of the Cheyenne tribes.

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11. British soldiers take part in the Battle of the Somme in 1916.Wikimedia Commons

12. John F. Kennedy as he pardons the annual Thanksgiving turkey in 1963. He was assassinated three days later.

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13. This is the Eiffel Tower before it was finished in 1888.Wikimedia Commons

14. The British Antarctic Expedition found a hidden grotto inside an iceberg on January 5, 1911.

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15. In 1958, Elvis was sworn into the army. This was likely taken somewhere in Brooklyn.Wikimedia Commons

16. This is what Mount Rushmore looked like in 1905 before it was carved into a famous monument.Wikimedia Commons

17. This legitimate-looking business was actually a slave dealer in Alexandria, Virginia, sometime in the 1860s.National Archives

18. Charlie Chaplin at age 29 in 1918.

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19. Berlin’s Reich Chancellery during World War II, 1939.

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20. A lion roars and MGM crew members capture it for the iconic opening in 1928.Wikimedia Commons

21. An  zeppelin soars over Egypt’s pyramids in 1931.

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22. Christopher Robin Milne, A.A. Milne’s source of inspiration for her Winnie the Pooh character, 1928.

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23. The only known photo of Billie the Kid, supposedly taken in 1879.Wikimedia Commons

24. Annette Kenning promotes a woman’s right to wear one-piece fitted bathing suits in 1907. She was soon arrested for being indecent.Wikimedia Commons

25. Laborers hard at work painting the Brooklyn Bridge on December 3, 1915.Wikimedia Commons

26. Swami Satchidananda opens the Woodstock festival in 1969.

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27. Hannah Stilley was born in 1746. This picture of her is from 1840. She is thought to be the earliest-born woman in history to have ever been photographed.

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28. Nikola Tesla and his all-powerful “magnifying transmitter,” taken in his lab.

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29. The only survivors of the HMAS Armidale, as taken from a Catalina flying boat. Due to choppy waters, the raft disappeared before the boat could land.Wikimedia Commons

30. Gandhi’s only possessions, all in one image.Wikimedia Commons

31. This is a punt gun, used to hunt ducks (up to 50 at once). It was eventually banned in the mid-19th century.

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32. Armistice Day, celebrated on Wall Street on November 11, 1918.

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33. The Berlin Wall, under construction in 1961.

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34. The Dalai Lama as a child, 1940.

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35. The German 7th Panzer Division prepared for the Soviet Union’s invasion during World War II, 1941.

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36. The Beatles, sans Ringo (who was sick). Drummer Jimmie Nicol filled in for an evening in 1964.

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37. A French radiographer dons his protective gear in 1918.

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38. An assassin stabs Japanese politician Inejiro Asanuma in Tokyo, 1960.

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39. What was left after a 1939 IRA bombing in Coventry, England.

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40. Ham the chimp was the first primate shot into space. Here he is being fitted for his capsule before his first flight on January 31, 1961.

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41. U.S. and Soviet Union tanks at Checkpoint Charlie, apparently at a standoff during the Berlin Crisis in 1961.

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42. The Stars And Stripes, the official newspaper of the United States Army, reports an important story.

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43. The Statue of Liberty was actually built in Paris and shipped bit by bit. Here it is under construction in 1883.

Flickr / New York Public Library

44. Gangster Al Capone’s former prison cell at Eastern State Penitentiary in Philadelphia.

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45. Cells in Alexandria, Virginia, 1865. They were not used for prisoners, but for slaves.

Library of Congress

46. These women were the first female Marines, and they were sworn into duty in 1943.

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47. The Titanic’s much-less-famous sister ship, the Olympic, March 6, 1912. The Titanic is also in full view.

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48. On March 4, 1865, Abraham Lincoln gave his second inaugural address. Supposedly, John Wilkes Booth, the man who would assassinate him, can be seen on the top platform.

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49. Douglas Fairbanks, Jr. holds Charlie Chaplain as he tries to promote liberty bonds on Wall Street in 1918.

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50. A utility worker tries to resuscitate his coworker after he accidentally touched a high-voltage wire in 1967.

Flickr / Cliff

51. Jackie Mitchel, the only female in history to strike out both Babe Ruth and Lou Gehrig, meets both players in 1931.

52. India’s first satellite, “The Apple,” as it’s carried to its launch site.
53. Race cars on the roof of the Turin, Italy Fiat Factory in 1923.

It’s hard to believe that some of these pictures were taken over 150 years ago. It’s amazing how things have changed…