Subway Art: The graffiti bible

In 1984, Henry Chalfant and Martha Cooper released an iconic photography book

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Executed in Stalin’s Great Terror in Georgia

In the 1930s, Soviet leader Joseph Stalin executed hundreds of thousands without trial

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Georgia’s political crisis

In 1991, the newly independent country found itself on the verge of a civil war

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Fight the Power: The song that became an anthem of protest

In 1989, Public Enemy provided the soundtrack for Spike Lee's movie, Do The Right Thing

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Conservative wipe-out in Canada

In Canada's 1993 election, the governing party was routed, ending up with just two seats.

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How the air fryer was invented

In 2006, Dutch inventor Fred van der Weij cooked up an idea for a new kitchen device

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The day Celia Cruz returned to Cuba

Cuban salsa singer Celia Cruz's only return to the island in 43 years of exile.

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The 1968 Mexico City massacre

The massacre in Mexico City in October 1968, 10 days before the Olympics

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Italy's 'poison ships'

In 1988, a ship carrying toxic waste arrived in Manfredonia, Italy

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Arrested for playing football in Brazil

For nearly 40 years, women in Brazil were banned from playing football

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Cyprus 1974: The Greek coup

How a coup in Cyprus led to the division of the island’s communities

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Cyprus 1974: The Final Landing

In July 1974, Captain Adamos Marneros landed the last flight at Nicosia Airport in Cyprus

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Cyprus 2003: Crossing the ceasefire line

In April 2003, people in Cyprus crossed the ceasefire line for the first time in 29 years

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The missing people of Cyprus

Between 1963 and 1974, more than 2,000 people in Cyprus went missing

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How Ayia Napa became a clubbing capital

In the 1990s, Ayia Napa, in Cyprus, went from quiet fishing village to party resort

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The 1924 Paris Olympics

The last time Paris held the Olympic Games was 100 years ago in 1924

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The first Olympic ‘mascot’

The creation of Shuss for the 1968 Winter Games in Grenoble, France

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Olympics: Zamzam Farah at London 2012

Somali sprinter Zamzam Farah at the London 2012 Olympics

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Building the Moscow Metro

How the Moscow Metro was built using more than 10,000 Russian workers.

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The first cold chain vaccination storage system

In 1974, Ghana pioneered a new system, to help immunise against serious diseases

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The man who smuggled punk rock across the Berlin Wall

How punk rock band Die Toten Hosen secretly played a concert in East Berlin.

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Yazidi genocide: A rescue mission on Mount Sinjar

How Yazidis in Iraq fled to Mount Sinjar to escape genocide in August 2014

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Finding a home for Bulgaria's dancing bears

In 1998, it became illegal to make bears dance in Bulgaria

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The 1965 Freedom Riders of Australia

The students who challenged the discrimination of Australia's indigenous people

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Ice Bucket Challenge

The ice bucket challenge became a worldwide phenomenon in 2014

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The Situation Room photograph

The story behind the Situation Room photograph during the raid to kill Bin Laden in 2011

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Bush v Gore: The election decided in the Supreme Court

The US presidential election of 2000 was one of the most contested in history

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Ronald Reagan and the Moral Majority

In 1979, the Moral Majority was launched and changed the course of US politics

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President Richard Nixon resigns

In 1974, Richard Nixon became the first US president in history to resign

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The first televised US presidential debate

In 1956, US presidential candidates sent female representatives to the first debate on TV

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