Witness episodes available now on BBC iPlayer

How the legendary Manchester venue launched a dance music revolution.

Twenty years ago the anti-mafia judge was assassinated by a bomb under his car.

For the first time America sends two monkeys into space and brings them back alive.

It is 35 years since one of the biggest movie franchises of all time hit cinema screens.

In May 1536 the Queen of England was executed on the orders of her husband Henry VIII.

In May 1998 a nuclear arms race began in South Asia.

In March 1938 Austria was annexed by Nazi Germany - one Vienna resident remembers.

In 1964 a British TV programme introduced a group of seven year olds to the viewing public

On May 18th 1980 there was a huge volcanic eruption in Washington state in the USA.

How a British psychiatrist examined the deputy Nazi leader after his flight to Scotland.

How student protests and workers' strikes threatened to bring down France's government.

He was responsible for a series of gruesome murders in the Hollywood hills.

On May 11th 1812, the British Prime Minister, Spencer Perceval, was killed.

In May 1992 the people of South Central LA took to the streets in fury at police brutality

Justin Fashanu, Britain's first openly gay footballer, killed himself in May 1998.

In May 1992 the Bosnian president was taken captive by Serb soldiers.

In 2002 a paralysed woman, known as Miss B, was allowed to die in a London hospital.

In May 1926 workers across Britain went on strike in support of coal miners.

How a court case ruined the 19th century playwright and wit.

How walkers stormed an English peak in 1932 and started a fight for countryside access.

It is 35 years since the legendary New York night club opened its doors - to cool people.

One New Zealand soldier's account of surviving the Battle of Gallipoli in 1915.

In April 1937 the Basque town of Guernica was firebombed during the Spanish Civil War.

How a group of Jews escaped from a train bound for the Auschwitz death camp in 1943.

One of the most successful TV series ever was created by cartoonist Matt Groening.

In 1997, left-wing rebels held 71 people hostage for over four months in Peru.

How dissidents in the USSR were routinely declared insane and kept in mental institutions.

In April 1968 a politician put race and immigration at the centre of British politics.