The Inauguration of Abraham Lincoln in 1861

Construction of the Berlin wall, 1961

A mom and her son watch the mushroom cloud after an atomic test 75 miles away in Las Vegas, 1953

Children eating their Christmas dinner during the Great Depression. The meal was turnips and cabbage.

Thousands of North Korean refugees climb over the skeleton of a bridge on the Taedong River that runs through the city of Pyongyang, North Korea. December 4, 1950

Soldiers parade terrified young prisoners on the streets of Cambodia in 1974. The prisoners were later stripped, violated and murdered.

Hippo cart in 1924. The hippo belonged to a circus and apparently enjoyed pulling the cart as a trick.

A top sniper, codenamed "Arrow," loads her gun in a safe room in Sarajevo, June 30, 1992. The 20-year-old Serb who shoots for the Bosnian forces says she has lost count of the number of people she has killed.

A 17-year-old Fidel Castro plays basketball at his High School in 1943.

Colorized photo of young Stalin, 1902 Georgia

Director Stanley Kubrick on the set of "2001: A Space Odyssey," 1967

The Ford Theater, where Abraham Lincoln was assassinated.

Unidentified African American soldier in Union uniform with wife and two daughters, between 1863-1865

Marilyn Monroe's film studio wanted to prove that she would look good in a potato sack, 1951

Dwight D. Eisenhower walking past a destroyed German Tiger Tank after the battle of Chambois, France 1944

American soldiers in Vietnam keep a lookout over Da Nang airforce base on November 1, 1965

Dutchman Guido Verbeck surrounded by samurai in the year 1868

Canadian artillery firing during the night at Vimy Ridge, 1917

Vietnam POWs going home, March 28, 1973

Heinrich Himmler's corpse after he committed suicide under British Custody. May 23, 1945

British Airship R33 preparing for launch, March 1919. Barlow, Yorkshire

Sophia Loren cowers in her car as a crowd of fans press around her, smashing the windscreen in their eagerness to see her, April 9, 1956, Rome.

Opium Den in Paris, 1931

Manchester United vs Arsenal 1926

Oil well fire, Southern California, Signal Hill, 1931

Abraham Lincoln's hearse, 1865

A childhood photo of Barack Obama with his late mother Ann Dunham in Hawaii, 1963.