* 1258 – Baghdad falls to the Mongols, and the Abbasid Caliphate is destroyed.
* 1306 – In front of the high altar of Greyfriars Church in Dumfries, Robert the Bruce murders John Comyn, his leading political rival, sparking revolution in the Scottish Wars of Independence
* 1355 – The St. Scholastica's Day riot breaks out in Oxford, England, leaving 63 scholars and perhaps 30 locals dead in two days.
* 1567 – An explosion destroys the Kirk o' Field house in Edinburgh, Scotland. The second husband of Mary, Queen of Scots, Lord Darnley is found strangled, in what many believe to be an assassination.
* 1763 – French and Indian War: The 1763 Treaty of Paris ends the war and France cedes Quebec to Great Britain.
* 1798 – Louis Alexandre Berthier invades Rome, proclaims a Roman Republic on February 15 and then on February 20 takes Pope Pius VI prisoner.
* 1814 – Napoleonic Wars: Battle of Champaubert
* 1840 – Queen Victoria of the United Kingdom marries Prince Albert of Saxe-Coburg-Gotha.
* 1846 – First Anglo-Sikh War: Battle of Sobraon – British defeat Sikhs in final battle of the war
* 1863 – The fire extinguisher is patented.
* 1870 – The YWCA is founded in New York City.
* 1906 – HMS Dreadnought is launched.
* 1920 – Jozef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
* 1923 – Texas Tech University is founded as Texas Technological College in Lubbock, Texas.
* 1933 – The New York City-based Postal Telegraph Company introduces the first singing telegram.
* 1933 – In round 13 of a boxing match at New York City's Madison Square Garden, Primo Carnera knocks out Ernie Schaaf, killing him.
* 1936 – Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
* 1942 – Japanese submarine bombards Midway Atoll.
* 1943 – World War II: Attempting to completely lift the Siege of Leningrad, the Soviet Red Army engages German troops and Spanish volunteers in the Battle of Krasny Bor.
* 1947 – Italy cedes most of Venezia Giulia to Yugoslavia.
* 1954 – President Dwight Eisenhower warns against United States intervention in Vietnam.
* 1962 – Captured American U2 spy-plane pilot Gary Powers is exchanged for captured Soviet spy Rudolf Abel.
* 1964 – Melbourne-Voyager collision: The aircraft carrier HMAS Melbourne collides with the destroyer HMAS Voyager off the south coast of New South Wales, Australia.
* 1967 – The 25th Amendment to the United States Constitution is ratified.
* 1981 – A fire at the Las Vegas Hilton hotel-casino kills eight and injures 198.
* 1989 – Ron Brown is elected chairman of the Democratic National Committee becoming the first African American to lead a major American political party.
* 1996 – The IBM supercomputer Deep Blue defeats Garry Kasparov for the first time.
* 1998 – Voters in Maine repeal a gay rights law passed in 1997 becoming the first U.S. state to abandon such a law.
* 2003 – France and Belgium break the NATO procedure of silent approval concerning the timing of protective measures for Turkey in case of a possible war with Iraq.
* 2005 – North Korea announces that it possesses nuclear weapons.
* 2009 – The communication satellites Iridium 33 and Kosmos-2251 collide in orbit, destroying both.