29/09/2018 GMT

Razia Iqbal presents five moments of history as told by the people who were there.
This month on Witness, the man who got America running, a woman who witnessed the Battle of Arnhem in World War Two, we remember the anti-Apartheid activist Steve Biko, plus the Soviet Union's attempt to tackle alcoholism, and the 96 year old former prisoner of war who helped build the Bridge over the River Kwai.