0421 - The city of Venice was founded.
0708 - Constantine began his reign as Catholic Pope.
1306 - Robert the Bruce was crowned king of Scotland.
1409 - The Council of Pisa opened.
1655 - Christian Huygens discovered Titan. Titan is Saturn's largest satellite.
1669 - Mount Etna in Sicily erupted destroying Nicolosi. 20,000 people were killed.
1802 - France, Netherlands, Spain and England signed the Peace of Amiens.
1807 - The first railway passenger service began in England.
1807 - British Parliament abolished the slave trade.
1905 - Rebel battle flags that were captured during the American Civil War were returned to the South.
1905 - Russia received Japan's terms for peace.
1909 - In Russia, revolutionary Popova was arrested on 300 murder charges.
1931 - Fifty people were killed in riots that broke out in India. Gandhi was one of many people assaulted.
1941 - Yugoslavia joined the Axis powers.
1947 - John D. Rockefeller III presented a check for $8.5 million to the United Nations for the purchase of land for the site of the U.N. center.
1970 - The Concorde made its first supersonic flight.
1975 - King Faisal of Saudi Arabia was shot to death by a nephew. The nephew, with a history of mental illness, was beheaded the following June.
1989 - In Paris, the Louvre reopened with I.M. Pei's new courtyard pyramid.
1990 - Estonia voted for independence from the Soviet Union.
1991 - Iraqi President Saddam Hussein launched a major counter-offensive to recapture key towns from Kurds in northern Iraq.
1992 - Soviet cosmonaut Sergei Krikalev returned to Earth after spending 10 months aboard the orbiting Mir space station.
1993 - President de Klerk admitted that South Africa had built six nuclear bombs, but said that they had since been dismantled.