The love affair between Jean-Paul Sartre and Simone de Beauvoir lasted for 50 years.
Russian mountaineers disguised monuments in the city to protect them from enemy fire.
The brutal murder of a young Chinese-American man sparked a civil rights movement.
How American Muslim gunmen took more than 100 people hostage in the US capital in 1977.
French obstetrician Dr Michel Odent encouraged women to use water to ease childbirth.
The Chinese government banned the spiritual movement, Falun Gong, in 1999.
Islamist militants attacked a convoy of international cricketers in Pakistan in 2009.
During WW2 thousands of fake documents helped save Jews from the Nazis in Hungary.
How a satellite TV link-up between American and Soviet women led to misunderstanding.
How American military PSYOP teams waged war in Vietnam in the 1960s.
It wasn't until 1995 that disabled people in India were guaranteed rights.
There was rioting across Albania after pyramid investment schemes collapsed.
An eye-witness remembers the night gunmen tried to kill the global reggae star.
Sara Ginaite escaped from a Jewish ghetto to join communist partisans fighting the Nazis.
How San Francisco became one of the first 'sanctuary cities' in the USA.
One boy's story of communist fervour in 1960s China.
In January 1956, members of an Amazonian tribe murdered five American missionaries.
Adriaan Vlok was in charge of the police in apartheid-era South Africa.
Witness hears from the first woman to bring a case of sexual harassment to trial in India.
On this day in 1991 a killer whale called Tilikum drowned one of its trainers.
One man's memories of a very public siege in a high security jail in the USA.
Tracking down Peru's public enemy number one, leader of the Maoist Shining Path rebels.
How a schoolboy challenged the practice of daily Bible reading in US schools - and won.
The dissident poet spent four years in Soviet prisons and labour camps.
How did a black American soldier end up living a privileged life in communist China?
How the Soviets hid hi-tech bugs deep inside the walls of the new US embassy in Moscow.
In 1965 a Moroccan disappeared from the streets of Paris. His body has never been found.
A fateful day in the race to develop the first supersonic passenger plane.
Remembering a wartime surrealist exhibition put on by Marcel Duchamp.
One of the original Stockholm hostages talks about her kidnap ordeal.