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Rescuing Palmyra’s treasures from the Islamic State group

In 2015 Khalil Hariri risked his life to save centuries-old archaeology in Syria

• 10 mins

Intervision Song Contest

In 1980, Finnish singer Marion Rung won Intervision, the USSR's answer to Eurovision

• 10 mins

Tesla and Edison: Electricity rivals

In 1915, two rival electricity pioneers were told they would share a Nobel Prize

• 10 mins

The founding of the Warsaw Pact

On 14 May 1955, eight Soviet countries met to sign the Warsaw Pact.

• 10 mins

Mexico’s soda tax: Confronting soft drink giants

In 2013 a new tax was approved in one of the world’s biggest consumers of fizzy drinks

• 10 mins

Sweden’s shocking sugar experiment

In the 1940s vulnerable hospital patients were fed sugar to see if their teeth decayed

• 9 mins

Lunch atop a Skyscraper

In 1932, a photo was taken showing 11 ironworkers eating lunch at the top of a skyscraper

• 10 mins

Nigerian photographer’s iconic 'Hairstyles' series

J. D. 'Okhai Ojeikere, known as Nigeria’s top photographer gained international acclaim

• 10 mins

Martín Chambi: Peru's pioneering documentary photographer

Chambi's dramatic black and white photographs showed indigenous people in a new light.

• 10 mins

The founding of Magnum Photos

On 22 April 1947, a group of famous war photographers founded the agency.

• 10 mins

Vivian Maier: Secret street photographer

The secret street photography of a US nanny in the 1950s and 1960s

• 10 mins

'I wrote the Champions League anthem'

The story of how one of the most iconic tunes in sport was created in 1992

• 10 mins

The Tragically Hip's final gig

In 2015 Canadian rockstar Gord Downie was given months to live, he went on one last tour

• 9 mins

Chinua Achebe’s revolutionary book Things Fall Apart

Achebe's English language novel from 1958 about life in Nigeria before colonialism

• 9 mins

The legacy of The Pirate Bay

In 2006 police raided the popular but controversial file-sharing website The Pirate Bay

• 10 mins

The Battle of the Beanfield

In 1985, police and hippies clashed at the ancient stone circle of Stonehenge, in England

• 10 mins