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Kazakhstan's nuclear legacy

The secret plan to clear a huge nuclear testing site after the fall of the Soviet Union.

• 9 mins

Malick Sidibé: Mali's superstar photographer

How a Malian photographer's pictures of Mali's swinging '60s and '70s amazed the world.

• 9 mins

Costa Concordia

The dramatic story of the cruise ship which sunk in the Mediterranean, killing 32 people.

• 9 mins

The first silicone breast implants

How a Texas woman became the first in the world to have the popular cosmetic procedure.

• 9 mins

The rise of Boko Haram

How a small Nigerian Islamist group launched a brutal insurgency

• 9 mins

The first bicycle-sharing scheme

How a Dutch engineer invented a scheme to share bikes and cut pollution in the 1960s.

• 9 mins

The Stanford Prison Experiment

The story of the famous psychology study, the Stanford Prison Experiment, of 1971

• 9 mins

Martin Luther King Jr. Day

The story of Coretta Scott King’s campaign to have her late husband honoured in the US.

• 9 mins

A Cold War love affair

The story of a West German woman who crossed the Iron Curtain for love.

• 9 mins

British troops in Northern Ireland

The British army was sent to keep the peace in 1969; it stayed for nearly four decades.

• 9 mins

Bloody Sunday

How British paratroopers opened fired on a civil rights march in Northern Ireland in 1972

• 9 mins

The Grand Hotel Bombing

The IRA tried to kill Margaret Thatcher and her cabinet in October 1984.

• 9 mins

IRA gun-running in America

How an undercover FBI agent bust an IRA gun-running operation in New York in 1981

• 9 mins

The Good Friday Agreement

The frantic last-minute negotiations that led to a peace deal for Northern Ireland.

• 9 mins

Kazakhstan's new capital

The story of Kazakhstan's new capital

• 9 mins

The murder of US journalist Daniel Pearl

The reporter who was killed by Islamist extremists in Pakistan while investigating 9/11.

• 9 mins

The day the world looked up

In 2012 a rare astronomical event occurred when Venus flew past the Sun

• 9 mins

The first Emirati female teacher

The trailblazing story of the first Emirati born teacher

• 9 mins

The Death of King George VI

How Britain marked the death of its wartime monarch and the accession of Queen Elizabeth

• 9 mins

The demise of the Soviet Union

How the leaders of Ukraine, Russia and Belarus plotted to break up the USSR in 1991.

• 9 mins

The invention of Google Maps

How the revolutionary online mapping service was created in 2005.

• 9 mins

Shoe designer Manolo Blahnik

How the Spaniard became a legend in the world of ultra-fashionable shoes.

• 9 mins

Ukraine's 'Maidan Revolution'

Throughout the winter of 2013/14 protesters camped out in the centre of Kyiv

• 9 mins

The 1972 mass killings in Burundi

In 1972 Burundi’s Tusti led army massacred Hutu civilians following a Hutu led uprising

• 9 mins

The first LGBT film in war-torn Yugoslavia

How the ground-breaking film "Marble Ass" was made amid war in the former Yugoslavia

• 9 mins

"Don't ask, don't tell" in the US Armed Forces

For decades LGBT people in the US military had to keep their sexuality secret.

• 9 mins

The Berlin Patient

Timothy Ray Brown was the first person in the world to be cured of HIV/AIDS.

• 9 mins

Bollywood's pioneering lesbian drama

"Fire" was one of the first films in Indian history to depict a lesbian relationship.

• 9 mins

The world's first civil union

In 1989, Denmark became the first country to celebrate same-sex civil unions

• 9 mins

The first sex worker strike

When 200 French sex workers took refuge in a church in Lyon, it started a movement.

• 9 mins