1805 - The start of the Battle of Trafalgar.
1879 - Thomas Edison patents the electric light bulb.
1926 - Birth of comedian Leonard Rossiter - who went on to become famous for his roles as Rigsby and Reginald Perrin - in Liverpool.
1966 - In Wales, more than 140 people - at least 114 of them children - are killed in the small mining village of Aberfan, when tonnes of slush from a nearby coal slag tip weakened by rain, slides downhill and engulfs the village school, a farm and a row of terraced houses.
1975 - Unemployment in the UK reaches 1 million for the first time.
1997 - Elton John's re-make of Candle in the Wind is officially declared the biggest selling single in music history.