Solving Fermat's Last Theorem had intrigued mathematicians for centuries.

In June 1993 a British academic, Andrew Wiles, thought he'd cracked it. But then someone pointed out a flaw in his calculations and it took him another year to correct it.

A frontline Soviet officer tells of what he saw the night that Hitler ordered Operation Barbarossa - Germany's invasion of the USSR.

During World War II, many British children were sent away from the cities to escape German bombs.

Most went to the countryside but some went as far away as Australia.

Helen Cuthbert (right) and her sister were sent to live with their aunt there.

In 1937, the Japanese army went on the rampage after invading the Chinese city of Nanjing.

Hundreds of thousands of people are thought to have died.

Witness speaks to a survivor of what became known as the Rape of Nanjing.

On 16 June 1961 the great ballet dancer Rudolf Nureyev cut his ties with the Soviet Union.

He escaped his KGB minders at an airport in Paris.

Nureyev and Fonteyn in 1963.

In June 1953 East German workers went on strike in protest at Soviet rule.

Demonstrations spread throughout the country but they were soon crushed by Communist troops.

Image: East Germany demonstrators march through Brandenburg Gate into the Western sector of Berlin, Credit: Getty Images

An account of the remarkable life of Rachel Beer, who challenged the prejudices of Victorian England. She reached the top in journalism to become the first ever female editor of a British newspaper, The Sunday Times, only to be engulfed by disaster and lose everything.

Picture: Rachel Beer

In June 1994, America watched in disbelief as the police chased the retired sports star OJ Simpson, along the freeways of Los Angeles.

LAPD detective Tom Lange contacted OJ Simpson by cell phone and tried to calm him down.

When Italy joined World War II in June 1940, British-Italian men were rounded up and interned.

Joe Pieri was just 21 years old and living in Glasgow when he was arrested and sent to a prison camp in Canada.

Photo: Joe Pieri today.

It is 30 years since Israeli war planes destroyed a nuclear reactor in Iraq.

The pilot who led the raid talks to Witness about the planning, the secrecy, and the day of the attack itself.