The Great San Francisco Fire and Earthquake of 1906.

Archduke Franz Ferdinand with his wife on the day they were assassinated in 1914, an event that helped spark World War I.

Ladies heading out to lunch in Salt Lake City.1909

1960s Venice: Coca-Cola advertisement, using pigeons

1950s segregation: Memphis Zoo

An elephant in London tries to flag down a tram

1974: Police officer on duty during the Ontario floods

1903: New York City's Flatiron building, surrounded by snow

1912: The Titanic, before her maiden voyage

The first stages of sculpting the head of President Abraham Lincoln on Mount Rushmore - 1927.

The 71-year-old Serbian king, Peter I, crosses the River Drin during the withdrawal of the Serbian army during World War I - December 1915.

Over 100,000 German prisoners of war in a temporary prison camp set up on the Western Front - May 1945.

The room in which the Russian Tsar Nicholas II and his family were executed by the Bolsheviks in Yekaterinburg, Russia - 1917.

Over 7,000 sacks of gold and silver that the Nazis stole from civilians in an underground safe - 1945.

An Austrian soldier looks at the ruins of the canvas hall, from one of the largest commercial buildings built in the Middle Ages, in Eper, Belgium - September 3, 1917.

Police disguised as athletes, preparing to attack the terrorists who took Israeli athletes hostage at the Munich Olympics - September 1972.

1924: Friends in Ohio enjoying their new ride.

1936: The back of the Hoover Dam, rarely seen without water.

1923: In Berlin a disabled World War I veteran begs for money.

1956: A common sign during apartheid in Johannesburg, South Africa.

1948: A young boy watches TV for the first time from a store window.