Marine Sergeant Frank Praytor Feeding An Orphaned Kitten. He Adopted The Kitten After The Mother Cat Died During The War. 1952

Australian soldiers after being liberated from a Japanese concentration camp, 1945.

Rollerskating to work in 1940s

The Prague astronomical clock, installed in 1410. It is the world's oldest astronomical clock still in operation

A boy selling lemonade with a portable lemonade dispenser. Berlin, 1931.

Brooklyn Supreme, one of the biggest horses in history, circa 1930. He was 6 ft 6 in (201 cm) and 3200 lbs (1451 kg).

Brooklyn Supreme, one of the biggest horses in history, circa 1930. He was 6 ft 6 in (201 cm) and 3200 lbs (1451 kg).

Soldiers returning home from WWII 1945

Tippi Hedren having her cigarette lit by a crow on the set of "The Birds", 1963.

A mother helping her son with a loose tooth, 1897.

13-year-old Dolly Parton just hours before she made her Grand Ole Opry debut singing George Jones' "You Gotta be My Baby."

The Prague astronomical clock, installed in 1410. It is the world's oldest astronomical clock still in operation

The Smoky Sky Lift in Gatlinburg, Tennessee in 1963

Tippi Hedren having her cigarette lit by a crow on the set of "The Birds", 1963.

Cathay Williams, a ‘Buffalo Soldier’, enlisted in the US Army under the pseudonym William Cathay. She was the first female to enlist and is the only documented woman to serve.

A peanut vendor wearing a suit made of peanuts. 1890

A girl posing with her cat more than 100 years ago.

Cathay Williams, a ‘Buffalo Soldier’, enlisted in the US Army under the pseudonym William Cathay. She was the first female to enlist and is the only documented woman to serve.

A peanut vendor wearing a suit made of peanuts. 1890

A girl posing with her cat more than 100 years ago.

Soldiers returning home from WWII 1945

A man takes a selfie using a stick of wood to activate the camera, 1957

American soldier wearing the crown of the Holy Roman Empire in a cave in Siegen, Germany, on April 3, 1945.

Queen Elizabeth II in her robes on the occasion of her coronation in June 1953

Holocaust survivor and the soldier who rescued her in 1944.

27-year-old Soviet doctor, Leonid Rogozov, performing surgery on himself to remove an infected appendix during a 1961 expedition to the Antarctic, where he was the only doctor on the team.

Madam C. J. Walker and friends, circa 1910s. She was the first self-made female millionaire in America. Such an inspiration, her story is truly the definition of the American dream

Soviet peasants listen to the radio for the first time, 1928.