NOW & THEN

0 Chairman Mao announced the Cultural Revolution in China on this day in 1966

1966: Chairman Mao announced Cultural Revolution in China.

1986: Jack Nicklaus won the US Masters golf championship for a record sixth time.

1991: Prince of Wales resigned as patron of National Museums of Scotland when design by modernist architects Gordon Benson and Alan Forsyth won contest for new £25m building.

1994: Fifty-nine people were injured when a runaway locomotive with no-one on board crashed into a crowded Intercity train in Edinburgh.

2004: 156 Congolese Tutsi refugees were massacred at a refugee camp in Burundi.

2008: Michael Phelps set the Olympic record for the most gold medals (eight in Beijing and six in Athens) won by an individual in Olympic history with his win in the men’s 200m butterfly.