ON THIS DAY

1229 Holy Roman Emperor Frederick II negotiates the return of Jerusalem to Christian control with al-Kamil, sultan of Egypt, ending the Sixth Crusade without fighting.

1455 Death of Fra Angelico (Guido di Pietro), Dominican friar and Italian painter, known for his Last Judgment at Orvieto and his contemplative frescoes in Florence.

1564 Michelangelo Buonarroti, 88, Italian master painter, sculptor and architect, dies in Rome. He was famed for his painting on the ceiling of the Sistine Chapel and his sculpture David.

1833 William Ullathorne, English cabin boy turned missionary, arrives in Sydney as vicar-general of the Catholic Church in Australia.

1885 Mark Twain (Samuel Clemens) publishes his novel, The Adventures Of Huckleberry Finn.

1892 The Government Labour Bureau opens in Castlereagh St, Sydney, to provide work for the unemployed. About 700 people register their details to be shown to employers.

1901 Winston Churchill makes his maiden speech in the House of Commons.

1929 A shark mauls body surfer Allan Butcher, 20, at Maroubra. Friends carry him to shore but he dies later from infection.

1930 Pluto is discovered by Clyde Tombaugh, 24, who has no formal training in astronomy, while working in Arizona.

2002 Alisa Camplin, 27, becomes the first Australian woman to win gold at a winter Olympic event when she triumphs at aerial skiing at Salt Lake City.

2010 The web site WikiLeaks begins posting classified US government documents provided by army intelligence analyst Bradley (later Chelsea) Manning; it is believed to be the largest unauthorised release of state secrets in U.S. history.