If you think that you know your whole history, you are probably wrong. From a social point of view, these fascinating photos show how much we have progressed. Here are some pictures that are not even in the books. 

A priest praying over the victims of the Titanic (1912).

The first “The Apple”, India’s first satellite being transported manually.

Filming of the MGM opening credits (1928).

Hitler and Speer were mesmerized by the Schwerer Gustav, one of the largest piece of artillery ever used in Combat (1941).

The only female in history to strike out Babe Ruth and Lou Gehrig. You go Jackie Mitchell! (1931)

Circumcision was used by Pakistani soldiers to identify Hindus during Bangladesh’s War of Independence (1971).

A Sikh soldier of the British Indian Army fits a gas mask to a mule (circa 1939 – 1945).

You won’t see this at the zoo anymore: The only known photo of a living Quagga at the London Zoo (1870).

Known as Little Nap, the “Napoleon of the Chimpanzee World”, this chimp became a popular tourist attraction (1915).

Racing cars on the roof of the Fiat Factory in Turin, Italy (1923).

Elephants know how to have fun. Just ask Queenie, the first one to water surf (circa 1950).

Back in 1956, a PanAm plane was needed to to transport a 5 MB hard drive.

Fishing buddies Che Guevara and Fidel Castro (1960).

The 1937 “walking machine” tested wear on shoes (1937).

The first international match at Wimbledon in 1883.

Police chasing skinny dippers.

The only known photo of Abraham Lincoln’s second inaugural address. John Wilkes Booth can actually be seen in the center of the top row of the top platform (March 4, 1865).

Queen Elizabeth II fires a British L85 battle rifle (1993).

The glasses John Lennon wore when he was assassinated (1980).