The Bulgarian dissident was attacked with a poisoned umbrella on his way to Bush House.
BBC World Service Online
On 28 February 1986, the Swedish Prime Minister was killed on a Stockholm street.
It is almost 50 years since the young British designer led a fashion revolution.
In the late 1920s Hollywood made the change from silent films to movies with soundtracks.
Twelve years ago Syria experienced a brief burst of political openness.
Nearly 30 years ago Moose Murders made history as the biggest flop ever on Broadway.
It is 40 years since the US President went to China and met Chairman Mao.
In February 1989, nine people were sucked out of a plane over the Pacific Ocean.
Debra Hocking was taken from her indigenous Australian family as a baby.
On 15 February 1989, the last Soviet soldiers rolled out of Afghanistan.
In February 1942 all Japanese Americans were ordered to internment camps.
In February 1942 Japan launched the largest ever attack against Australia.
In February 2005 a Catholic nun working in the Amazon was murdered.
How Britain mourned the death of King George VI in 1952.
It is 50 years since nine French peace protestors died during a demonstration in Paris.
It was the first time a computer had beaten a reigning world champion chess player.
In 1962 Timmie Jean Lindsey became the first woman in the world to have the operation.
On 7 February 1985 a US drug enforcement agent was abducted in Guadalajara.
It is 40 years since 13 civil rights marchers were killed in Northern Ireland.
Winning the chance to conceive a child using sperm from her dead husband
The great Egyptian singer was buried 37 years ago.
It is 30 years since thousands of Syrians were killed by their own army.
How a visit to America in 1842 became a turning-point in the career of Charles Dickens.