Source: HistoryNet.com
0526: St. John I ends his reign as Catholic Pope.
1619: Samuel de Champlain publishes his major work, Les Voyages et Descouvertures du Sieur de Champlain.
1765: Fire destroys one quarter of the town of Montréal; the fire, which started on Saint-Paul Street, destroys 108 houses, rendering 215 families homeless.
1792: Russian troops invade Poland.
1802: Britain declares war on France.
1804: Napoleon Bonaparte becomes the Emperor of France.
1846: Kingston, Ont. is incorporated as a city.
1860: Abraham Lincoln is nominated for president.
1942: New York ends night baseball games for the rest of World War II.
1951: The United Nations moves its headquarters to New York City.
1966: Paul-Joseph Chartier is killed in a Parliament Buildings washroom by a bomb the terrorist intended to throw into the House of Commons.
1974: India becomes the sixth nation to explode an atomic bomb.
1980: After rumbling for two months, Mount Saint Helens, in Washington, erupts three times in 24 hours.
1995: Paul Bernardo put on trial, accused of the torture and murder of Leslie Mahaffy and Kristin French.
2001: Conrad Black says he will give up his Canadian citizenship to become a British peer, Lord Black of Crossharbour.