1720 - Mrs Clements began marketing the first paste-style mustard in Britain.
1752 - Benjamin Franklin conducted his famous lightning experiment during a thunderstorm.
1829 - The Oxford crew won the first ever Oxford and Cambridge boat race.
1902 - The patent for the window envelope was granted to H F Callahan.
1909 - The first SOS signal was transmitted, when the SS Slavonia was wrecked off The Azores.
1916 - An Arab Revolt against the Ottoman Empire, led by Lawrence of Arabia, broke out.
1921 - HRH Prince Philip, Duke of Edinburgh was born on the island of Corfu - reportedly on a kitchen table.
1935 - Dr Robert Smith took his last drink, and Alcoholics Anonymous was founded in Akron, Ohio, United States, by him and Bill Wilson.
1940 - Italy declared war on France and the United Kingdom.
1943 - The ball point pen was patented by Hungarian Lazlo Biro.
1946 - Jack Johnson, 1st African American world heavyweight boxing champion, died in a car accident aged 68.
1947 - Saab produced its first automobile.
1977 - The Apple II, one of the first personal computers, went on sale.
1993 - Comedian Les Dawson died of a heart attack at the age of 62, at a hospital in Manchester while waiting for results after finishing a check for insurance cover for a film role.
1996 - The Northern Ireland peace talks began, without Sinn Fein.
1997 - The Hatton Gallery in Newcastle-upon-Tyne was saved from closure by a donation of £250,000 from the novelist Catherine Cookson.
2000 - London’s Millennium Bridge opened, spanning the Thames from St Paul’s Cathedral to the Tate Modern. It was forced to close temporarily for a time the same day after the large number of visitors caused the bridge to sway.
2001 - Pope John Paul II canonized Lebanon’s first female saint, Saint Rafqa.
2003 - NASA’s Mars Exploration Rover mission began.