Tank on Athens street. Getty Images

The leader of a student protest in Greece nearly 40 years ago tells us of the moment when the country's military junta sent in the tanks, and how she only just managed to escape with her life.

What was Benazir Bhutto like as a young woman and why did she follow her father into politics?

Victoria Schofield met her at Oxford university in the 1970s where they became friends for life.

In November 1940 sustained German bombing raids left the ancient English city of Coventry in ruins. Its medieval cathedral burned down and hundreds of its citizens were killed.

Alan Johnston looks back for Witness.

World War I produced a generation of British poets like no other.

Witness hears from the son of Robert Graves, about his father's wartime experience and the poetry that grew out of it.

When Barack Obama was about six years old his mother remarried and the family moved to the Indonesian capital Jakarta. There, he learnt the local language and went to an ordinary Indonesian school.

Some listeners may find parts of this programme disturbing.

With enough sex, violence, and swearing to outrage even London audiences, the play Blasted caused a scandal when it was first performed.

But did it change British theatre in more fundamental ways?

When the Egyptian President Gamal Abdel Nasser nationalised the Suez canal in 1956, he took control of one of the main oil routes from the Middle East. France and Britain tried to seize it back.

Witness speaks to Tony Bunce, who was a young British soldier involved in the invasion of Port Said in 1956.

(Photo: The wreckage of a ship sunk by Egyptians to block the Suez Canal appears at the surface of water, 11 November 1956 in Port Said.) (Credit: STAFF/AFP/Getty Images)

It's twenty years since Burma last held a general election. We hear from someone who was there about the atmosphere, the excitement and the risks of living through that time.

On 4 November 1995 the Israeli rock star Aviv Geffen sang at a peace rally in Tel Aviv alongside Israel's leader Yitzhak Rabin. Moments later the Prime Minister was shot. Aviv Geffen talks to Witness about that night, and its effect on his life.