ON THIS DAY
330: Constantinople became the new capital of the Roman Empire.
1812: British Prime Minister Spencer Perceval was shot dead by a bankrupt broker, John Bellingham, as he entered the House of Commons.
1888: Songwriter Irving Berlin was born as Israel Baline in Siberia.
1949: Siam changed its name to Thailand.
1981: Reggae singer Bob Marley died of cancer.
1985: A fire broke out in the main stand of Bradford City football ground and 56 spectators died.
1997: World chess champion Gary Kasparov was defeated by IBM supercomputer Deep Blue.
2010: Conservative Party leader David Cameron became prime minister, with Liberal Democrat leader Nick Clegg announced as his deputy.
ON THIS DAY LAST YEAR: The Queen carried out her first major public ceremonial duty since the death of the Duke of Edinburgh, attending a scaled-back Covidsecure State Opening of Parliament.
BIRTHDAYS: Louis Farrakhan, leader of the Nation of Islam, 89; Eric Burdon, rock singer (The Animals), 81; Pam Ferris, actress, 74; Jeremy Paxman, broadcaster, 72; Frances Fisher, actress, 70; John Parrott, former snooker player/ commentator, 58; Holly Valance, actress and singer, 39.