In December 1986 the Soviet dissident Andrei Sakharov was allowed to return to Moscow.

He had spent seven years in internal exile.

His release had been ordered by the reforming Soviet leader Mikhail Gorbachev.

Photo: AFP/Getty Images

She was one of Germany's greatest battleships during World War II.

But on Boxing Day 1943 she was sunk in the freezing waters of the Arctic.

Norman Scarth is a Witness listener who was on board a British ship and watched her go down.

Photo: Norman Scarth the young sailor.

On Christmas Eve 1914, during World War I, British and German soldiers stopped fighting.

Many of them left their trenches and started to talk and exchange gifts.

But after a few hours of peace they were ordered back to their guns.

Photo: Associated Press

As we approach Christmas we look back at the turning point in the career of the world's most famous evangelist - Billy Graham.

He's preached the gospel to more people in live audiences than anyone else in history - more than 200 million around the world - and it all began in north London in 1954.

Claire Bowes has been speaking to the man who Mr Graham describes as the architect of international evangelism.

PHOTO: Jerry Beavan and Billy Graham in the 1950s.

In 1971 the first big rock benefit gig was organised by former Beatle, George Harrison.

He did it to raise money for refugees from the Bangladesh War of Independence.

Hear from a friend, and a musician who were there.

Photo: Keystone Features/Hulton Archive/Getty Images

Christmas 1984 was a difficult time for British miners who had been on strike for nine months.

They had taken industrial action to try to save their coal mines from government closure.

Listen to one miner's wife tell how her family made it through the anger and deprivation of that time.

Photo: BBC

In 1996 the Spice Girls were at the top of the charts.

Their brand of cheeky British pop had taken the world by storm - they called it 'Girl Power'.

We hear from two Spice Girls insiders about the early days when Baby, Sporty, Posh, Scary and Ginger were complete unknowns who used to travel by bus.

PHOTO: Spice Girls at an awards ceremony in December 1996.

In 1971, Bangladesh won independence from Pakistan after nine months of war.

Kamal Hossain, a leading political figure, was jailed during the conflict and only released shortly after Bangladeshi independence.

Kamal Hossain tells Farhana Haider his feelings as his country won its freedom.

PHOTO: Kamal Hossain (l) with the founder of Bangladesh, Sheikh Mujibur Rahman.

In December 1986 Kazakhs began protesting against Moscow's rule.

The young demonstrators were objecting to a Kremlin decision to put a Russian in charge of their country.

Hear how one 16 year old girl had her first taste of freedom.

As the former leader of Panama, Manuel Noriega faces charges of murder in his home country we take you back over 20 years to the moment he was removed from power by the USA.

Manuel Noriega hid out in the Papal embassy - we hear from a man who found himself sleeping in the room next door to him.

PHOTO: US Army in Panama City (Reuters)