In 1984, General Buhari's military regime launched an unusual campaign to clean up Nigeria
The siege of Sarajevo lasted for almost four years. Witness Vedrana Seksan tells her story
In 1944, Austrian mountaineer Heinrich Harrer fled into the forbidden land of Tibet.
In the late 1800s, African Americans from Arkansas began moving to Liberia in West Africa.
In 1990 the terrible conditions inside Romania's orphanages first came to light.
It is 50 years since the great American recording star Sophie Tucker died in New York.
After the Taliban fell in Afghanistan, the hunt for Osama bin Laden began in earnest.
In 1969, a student set himself alight in protest at the crushing of the Prague Spring.
In 1959, the rebel leader took control of Cuba's capital city.
In 2004, Ukrainian presidential candidate Viktor Yushchenko was poisoned and nearly died.
A look at the destruction of southern Iraq's great marshes, overseen by Saddam Hussein.
The truce in 1992 between the two main black street gangs in Los Angeles.
Helen Thiesen recalls being taken from her family in Greenland and sent to live in Denmark
In 1975 US troops airlifted hundreds of people out of Saigon as the Vietnam War ended.
In 1960, the leading Nazi Adolf Eichmann was abducted in Argentina and smuggled to Israel.
In 1980, the Guyanese opposition leader Dr Walter Rodney was killed in a bomb explosion.
The acclaimed American author recalls his time as a US fighter pilot during the Korean War
How Australia battled a plague of rabbits which was destroying its agricultural economy.
Two witnesses give their account of the shooting of the archbishop of El Salvador.
Rob Walker reports on an attempt to free hostages from the US embassy in Iran in 1980.
The former US First Lady's romance with the world's richest man in the 1960s.
How apartheid destroyed one of the last multiracial communities in 1950s South Africa.
Striking workers and students filled the streets calling for an end to British rule.
Drummer Jimmy Cobb recalls playing with Miles Davis on the album that changed jazz forever
In October 2006, the campaigning Russian journalist was shot outside her Moscow flat.
In 1976, schoolchildren marched in protest at the apartheid regime in South Africa.
Only one person voted against giving the US president extra powers after 9/11: Barbara Lee
In October 1967, the Marxist revolutionary was captured and killed in Bolivia.
Massive demonstrations in the East German city heralded the fall of the Berlin Wall.
In 1964, author Ken Kesey led a group of friends on a psychedelic road trip across the USA