The soul singer's April 1968 concert was held amid rioting and violence provoked by the assassination of Martin Luther King. But despite the fears of the city authorities, the streets of Boston were quiet the night James Brown and his band played. Listen to two people who were there.

(Photo: James Brown. Credit: AFP)

When the American billionaire Howard Hughes died in 1976, nobody had seen him in public for 20 years. Once dashing, powerful and almost unimaginably rich, Hughes slowly turned into the world's most famous recluse. Louise Hidalgo talks to the Californian journalist, Frank McCulloch, who met Howard Hughes face-to-face and stayed in touch with him for decades.

PHOTO: Hulton Archive/Getty Images

As the Vietnam war ended and Saigon fell to communist forces, the US tried to fly thousands of orphans out of the country. One of the planes full of children crashed shortly after take off. Hear from two survivors.

Photo: A North Vietnamese tank rolling through Saigon in April 1975. Credit: AFP/Getty Images

A family of real children inspired JM Barrie to write the story of Peter Pan and his Lost Boys. He first met them in Kensington Gardens in London. But their story is not a happy one.

Over 175 years ago, a society hostess called Caroline Norton began campaigning for the rights of married women. Her husband had stopped her from seeing her children and had accused her of having an affair with the Prime Minister of the day.

Image: Hulton Archive/Getty Images

On 24 March 1980, Archbishop Oscar Romero was shot dead while saying mass in San Salvador. His murder by a right-wing death squad, pushed El Salvador towards bloody civil war. Today, he is still revered by many Catholics as a saint.

Photo: A portrait of Archbishop Romero on a wall in San Salvador (AFP)

After their release in 1973, former US prisoners of war began to talk about the torture they had suffered at the hands of the Vietcong. One of the POWs who spent longest in Vietnamese prison camps was Everett Alvarez - hear his story.

(Photo: American prisoners of war leaving Vietnam in 1973 (AFP/Getty Images)

Discovered by chance by farmers digging a well, the secrets of the Qin Dynasty revealed after 2,000 years. We hear from the lead archaeologist responsible for one of the most important finds of the century, and what it tells us about the sophistication of the society at the time in China. Photo: FREDERIC J. BROWN/AFP/Getty Images.

The communist dictator Nicolae Ceasescu ran one of the most feared secret police forces in Eastern Europe. When Carmen Bugan's father made a protest in the capital, Bucharest, the Securitate descended on her village. They recorded everything her family said and did from then on.

Photo: Carmen before the Securitate arrived.

In March 1963, the British Minister of War John Profumo stood up in Parliament to deny that he'd had an affair with a young woman who was also involved with a Russian spy. It was the first public acknowledgement of a sex scandal which engulfed the British government. Photo: PA