1989: Day by Day - 23rd October 1989

Sir John Tusa looks back at the events making the news 20 years ago. A quarter of a million East Germans march in Leipzig in the country's biggest-ever demonstration; in Hungary, tens of thousands of people remember the victims of their 1956 anti-communist uprising; Garry Kasparov beats the computer Deep Thought at chess. A Somethin' Else production for BBC Radio 4.