A ground-breaking change to treating breast cancer

How a Canadian oncologist proved the effectiveness of breast-conserving surgery

• 9 mins

Britain's secret propaganda war

How sex, jazz and 'fake news' were used to undermine the Nazis in World War Two

• 9 mins

The Bhagalpur blindings

How Indian police tortured petty criminals, blinding them permanently

• 9 mins

The concert that rocked the Berlin Wall

The 1987 rock concert that led to the first shouts in East Berlin of 'the wall must go'

• 9 mins

Memories of Wilfred Owen

The British war poet's younger brother Harold Owen spoke to the BBC in the 1960s

• 9 mins

Cap Anamur: A rescue that led to jail

Why a captain was arrested after saving shipwrecked Africans in the Mediterranean in 2004

• 9 mins

The demolition of the Babri Masjid

How Hindu extremists demolished a mosque in India prompting months of communal violence

• 9 mins

The Love Canal disaster

How the Love Canal neigbourhood in the US came to symbolise the dangers of toxic waste

• 9 mins

The first Indian to win Miss World

Reita Faria was the first Indian to win the Miss World beauty competition in 1966

• 9 mins

The first Tasers

Why Los Angeles police began using a new weapon in the early 1980s.

• 9 mins

The 'Woman in Gold'

How one of Klimt's most famous paintings was returned to the family who'd owned it

• 9 mins

I saw the soldiers who killed El Salvador's priests

Lucia Cerna was the only witness to a murder that shocked El Salvador in November 1989

• 9 mins

The man who got Delhi on track

India's capital city built a Metro to tackle its traffic and air pollution problems

• 9 mins

Exploring Arabia's Empty Quarter

How Wilfred Thesiger travelled in one of the world's harshest environments in the 1940s.

• 9 mins

The man who gave his voice to Stephen Hawking

American scientist Dennis Klatt pioneered synthesised speech using his own voice.

• 9 mins

India's economic revolution

In the 1990s India began to open up its state-controlled economy

• 9 mins

From cakes to computers

How the Lyons catering company pioneered LEO, the first electronic office system

• 9 mins

Handing back Uluru

In 1985 Australia's famous natural landmark Uluru was returned to aboriginal ownership

• 9 mins

The first confirmed case of HIV in America

Robert R was a teenager who died of an undiagnosed illness in Missouri in 1969

• 9 mins

The killing of Pablo Escobar

The Colombian drug trafficker was shot dead by police on December 2nd 1993

• 9 mins

Shackleton

How a doomed Antarctic expedition in 1914 became a legendary story of survival

• 9 mins

The British sculptor who won over the world

Henry Moore revolutionised sculpture by creating immense works and setting them outside.

• 9 mins

Jaslyk – Uzbekistan’s infamous prison

A prison camp in the Uzbek desert became notorious for torture and human rights abuses.

• 9 mins

The Cuban writer who defied Fidel Castro

In 1990 Reinaldo Arenas died of Aids in New York, leaving behind a powerful autobiography

• 9 mins

The battle of the Louvre pyramid

How Paris was eventually won round to the Louvre museum's great glass pyramid

• 9 mins

The IRA siege at Balcombe Street

In December 1975, the IRA took a middle-aged couple hostage in Central London.

• 9 mins

The 'Awakenings' medical experiment

In the 1960s a new drug briefly woke up patients who'd been catatonic for decades.

• 9 mins

The killing of Amadou Diallo

When New York police shot a young immigrant 41 times, thousands took to the streets

• 9 mins

El Salvador's stolen children

During El Salvador's civil war, soldiers abducted children in rebel areas

• 14 mins

The attack on India's parliament

In December 2001 armed men attacked India's parliamentary compound in broad daylight

• 9 mins