1. A photographer using a backdrop to hide the ruins of Warsaw, 1946
2. A portrait of Maple Creek's Cree Man, Canada, 1903
3. A picture of Queen Elizabeth II in her younger days
4. A rare photo of Marie Curie in her lab
5. JFK and Jacqueline Bouvier Kennedy on their wedding day, September 12th, 1953
6. The 19-year-old Russian WWII sniper, Roza Shanina, who racked up 59 confirmed kills over the course of the war
7. Four women pilots leaving their plane, Pistol-Packin' Mama, 1944
8. The British WWI soccer team in France, 1916
9. Bodybuilder Gene Jantzen with his wife and son, 1947
10. When Albert Einstein met Charlie Chaplin
11. Italian Immigrants arriving on Ellis Island, 1905
12. A portrait of Abraham Lincoln, 1860
13. Austria's Archduke Franz Ferdinand, whose assassination triggered WWI
14. Thomas Edison on one of his camping trips, 1921
15. The legendary James Dean, c.1954
16. RMS Mauretania, 1909
17. Winston Churchill with his son and grandson on Queen Elizabeth II’s Coronation Day, 1953
18. A group photo from the 5th Solvay Conference on quantum mechanics, 1927
19. A young Winston Churchill when he was in the 4th Queen's Hussar's Cavalry, 1895
20. The Titanic shortly before it left port, 1912