Leo Tolstoy (1828-1910), author of War and Peace, with his granddaughter at Yasnaya Polyana, his museum-estate.

1867: Betty Jackson, was one of over 300 slaves owned by U.S. President Andrew Jackson throughout his lifetime. She is pictured in front of a slave cabin with two little girls.

1889: Born in Saint Croix to a freed slave, Peter Jackson later emigrated to Australia and worked his way into boxing history. He was called ‘Peter the Great’ and ‘The Black Prince,' and won the Australian heavyweight title in 1886 and the World Colored Heavyweight Championship in 1888.

1880s/1890s: Born in England, actress Annie Sumerville was also a singer and burlesque performer.

1907: Two female hikers in gaiters take a break on their camping trip in the Olympic Mountain Range, Washington State.

1909-1912: RMS Titanic under construction.

1913: Millie, a 4-year-old cotton picker on a farm near Houston, picks about eight pounds each day.

1914: A photo of an interracial couple, Theophilus Wonja Michael and his wife Martha Wegner, taken in Berlin.

May 1922: H Day, an 18-year-old inventor, wears headphones attached to a wireless beneath his top hat.

1932: A woman receives drive-up service at Carpenter’s Sandwiches, Sunset and Vine in Los Angeles.

1938: A group of boys in Harlem enjoy a game of pool with a makeshift set-up.

September 24, 1938: A colorized photo by reddit user marinamaral of British Premier Sir Neville Chamberlain, who had just returned to London from his talks with Hitler in Germany.

1955: Public Library Cincinnati & Hamilton County, originally built in 1874 and demolished in 1955.

July 17, 1955: Disneyland on Opening Day.

1956: Elvis Presley, who was known as a "white boy that could sing like a black man," is seen here at a segregated lunch spot in Tennessee. Although he avoided making political statements, he grew up around the black part of town and often credited the black community for their contributions to his music.

1960s: A child in Kyrgyzstan photographed with a Lenin poster.

1968: Johnny Cash before playing one of two recorded shows at Folsom State Prison in California.

1969: Alan Bean, an Apollo 12 astronaut, adds Plutonium 238 fuel into the SNAP 27 (system for nuclear auxiliary power) radioisotope thermoelectric generator.

Sept. 15, 1970: Ethnic Cambodian guerrilla Danh Son Huol is treated for wounds from an American bombing at an improvised operating room in a swamp on the Ca Mau Peninsula.

1974: Did you know that Neil Armstrong, the first man to walk on the moon, was also a university professor? Here he is teaching an aerospace engineering class at the University of Cincinnati.

June 1977: Boston firefighter Bob Mackey saves an 88-year-old woman who was threatening to jump from a building on Chauncey St. Mackey was later awarded the Walter Scott Medal for Valor.

1979: Children enjoy their ice cream cones as soldiers patrol the streets of Londonderry, or Derry, a city in Northern Ireland.

1979: Beloved comedian Robin Williams dazzles the crowd as a Denver Broncos cheerleader.

1986: San Francisco Mayor Dianne Feinstein, now the oldest currently serving United States Senator, walking through SOMA district.

1993: Former President Bill Clinton misses the ball while playing on the beach in South Carolina.