20th century

American sprinters Tommie Smith and John Carlos raise their fists and give the Black Power Salute at the 1968 Olympic Games in Mexico City © Getty

“I had a moral obligation to step up”

South African armed forces stand by during state of emergency regarding anti-apartheid unrest © Getty

The years of Apartheid

Haile Selassie in full ceremonial regalia following his coronation © Getty Images

Timeline: The life of Haile Selassie

Haile Selassie in the 1970s © Getty Images

Haile Selassie, Emperor of Ethiopia and architect of modern Africa

Why did the Allies call Germans 'Huns' during World War I? © Getty Images

Why did the Allies call Germans ‘Huns’ during World War I?

Who should we blame for Hawaiian shirts? © Getty Images

Who should we blame for Hawaiian shirts?

A lone wanderer stands at the foot of the partially frozen Niagara Falls © Getty

Freeze frame: Niagara Falls, 1903

workers get back to work on RMS Queen Mary after their dinner break © Getty

Tight ship: Clydebank, 1935

The history of the Louvre © Getty Images

The history of the Louvre

Permanent Revolution © Getty Images

Permanent Revolution

Spain's longest day © Agency EFE / Getty Images

Spain’s longest day

Top 10 Mysteries © Getty Images

Top 10 Mysteries

The Trial of Oscar Wilde © Wikimedia Commons

The Trial of Oscar Wilde

The incredible life of Annie Oakley © Bakers Art Gallery

The incredible life of Annie Oakley