大象传媒

The repeal of 'Don't ask, don't tell'

Until 2011 LGBT service people in the US armed forces had to keep their sexuality secret

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Free breakfast with the Black Panthers

The revolutionary Black Panther Party provided free breakfasts for local schoolchildren.

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CS Lewis and the Chronicles of Narnia

The first book in CS Lewis's Chronicles of Narnia series was published in autumn 1950

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Sir Anthony Blunt - Soviet spy

The distinguished art historian was exposed as a former Soviet spy in the autumn of 1979.

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The Sound of Music on Broadway

The Rodgers and Hammerstein musical was performed on stage before it became a movie.

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Being black in Nazi Germany

Theodor Wonja Michael was a child when Hitler came to power in Germany.

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Fighting the Islamic State group online

How one historian living in Mosul took aim at the Islamic State group on the internet.

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The Large Hadron Collider

In September 2008, the world's biggest science experiment was switched on.

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The death of a matador

The fatal goring of the legendary bullfighter Francisco Rivera P茅rez - "Paquirri".

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The birth of the People's Republic of China

On 1 October 1949 Chairman Mao declared China a communist state

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My memories of Chairman Mao

China's legendary Communist leader in the words of an American who knew him well

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Mao's Cultural Revolution

We hear from one man who took part in China's brutal Cultural Revolution.

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The 1967 Hong Kong riots

How workers and students filled the colony's streets, pressing for an end to British rule

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China opens up to capitalism

How China's Communist rulers established the country's first Special Economic Zones

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Learie Constantine - fighting racism in the UK

The great West Indian cricketer who fought against racism in the UK

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The first black woman MP in Britain

In 1987 Diane Abbott became the first black woman to be elected to the British Parliament

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The Notting Hill riots

Inter-racial violence broke out in west London in the summer of 1958

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The Bristol bus boycott

How British black activists fought for employment rights in the 1960s

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Britain's World War Two 'Brown Babies'

The stigma of growing up as a mixed race child in post-war Britain

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Proving climate change: The Keeling curve

An American scientist began recording carbon dioxide levels in the atmosphere in 1958

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Mexico City slashes car use

How Mexico City cut its dangerously high air pollution levels

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The man who fed the world

Dr Norman Borlaug鈥檚 pioneering work on disease-resistant grains saved millions.

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Britain's worst nuclear accident

A reactor caught fire at the Windscale nuclear plant in the north of England in 1957

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Wangari Maathai Nobel Prize-winning environmentalist

Kenyan activist Wangari Maathai fought to save forests and protect human rights

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The legalisation of Solidarity

The Polish trade union organisation was banned by the communists until April 1989

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The reburial of a Hungarian hero

The body of Imre Nagy who had led the Hungarian Uprising was reburied in 1989

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East German refugees in the Prague embassy

Thousands of East Germans sought refuge in the West German embassy in Prague in 1989.

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The Leipzig demonstrations

The Berlin Wall fell just a month after mass protests in the East German city of Leipzig

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The fall of the Berlin Wall

The border between communist East Germany and the West opened on November 9th 1989

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Margaret Thatcher's anti-Europe speech

The British Prime Minister started expressing doubts about the European Union in 1988

• 9 mins