February 28 events in history

628 Khosrau II is executed by Mihr Hormozd under the orders of Kavadh II
870 The Fourth Council of Constantinople closes
1246 The Siege of Jaén ends in the context of the Spanish Reconquista resulting in the Castilian takeover of the city from the Taifa of Jaen
1525 The Aztec king Cuauhtémoc is executed by Hernán Cortés's forces
1638 The Scottish National Covenant is signed in Edinburgh
1700 Today is followed by March 1 in Sweden, thus creating the Swedish calendar
1710 In the Battle of Helsingborg, 14,000 Danish invaders under Jørgen Rantzau are decisively defeated by an equally sized Swedish force under Magnus Stenbock. This is the last time Swedish and Danish troops meet on Swedish soil
1784 John Wesley charters the Methodist Church
1811 Cry of Asencio, beginning of the Uruguayan War of Independence
1827 The Baltimore & Ohio Railroad is incorporated, becoming the first railroad in America offering commercial transportation of both people and freight
1838 Robert Nelson, leader of the Patriotes, proclaims the independence of Lower Canada (today Quebec)
1844 A gun on USS Princeton explodes while the boat is on a Potomac River cruise, killing eight people, including two United States Cabinet members
1849 Regular steamboat service from the west to the east coast of the United States begins with the arrival of the SS California in San Francisco Bay, 4 months 22 days after leaving New York Harbor
1867 Seventy years of Holy See-United States relations are ended by a Congressional ban on federal funding of diplomatic envoys to the Vatican and are not restored until January 10, 1984
1870 The Bulgarian Exarchate is established by decree of Sultan Abd-ul-Aziz of the Ottoman Empire
1874 One of the longest cases ever heard in an English court ends when the defendant is convicted of perjury for attempting to assume the identity of the heir to the Tichborne baronetcy
1883 The first vaudeville theater opens in Boston
1885 The American Telephone and Telegraph Company is incorporated in New York as the subsidiary of American Bell Telephone. (American Bell would later merge with its subsidiary.)
1893 The USS Indiana, the lead ship of her class and the first battleship in the United States Navy comparable to foreign battleships of the time, is launched
1897 Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force
1900 The Second Boer War: The 118-day "Siege of Ladysmith" is lifted
1914 The Autonomous Republic of Northern Epirus is proclaimed in Gjirokastër, by the Greeks living in southern Albania
1922 The United Kingdom ends its protectorate over Egypt through a Unilateral Declaration of Independence
1925 The Charlevoix-Kamouraska earthquake strikes northeastern North America
1928 C.V. Raman discovers the Raman effect
1933 Gleichschaltung: The Reichstag Fire Decree is passed in Germany a day after the Reichstag fire
1935 DuPont scientist Wallace Carothers invents nylon
1939 The erroneous word "dord" is discovered in the Webster's New International Dictionary, Second Edition, prompting an investigation
1940 Basketball is televised for the first time (Fordham University vs. the University of Pittsburgh in Madison Square Garden)
1942 The heavy cruiser USS Houston is sunk in the Battle of Sunda Strait with 693 crew members killed, along with HMAS Perth which lost 375 men
1947 228 Incident: In Taiwan, civil disorder is put down with the loss of an estimated 30,000 civilians
1953 James D. Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2)
1954 The first color television sets using the NTSC standard are offered for sale to the general public
1958 A school bus in Floyd County, Kentucky hits a wrecker truck and plunges down an embankment into the rain-swollen Levisa Fork River. The driver and 26 children die in what remains one of the worst school bus accidents in U.S. history
1959 Discoverer 1, an American spy satellite that is the first object intended to achieve a polar orbit, is launched. It failed to achieve orbit
1972 Sino-American relations: The United States and People's Republic of China sign the Shanghai Communiqué
1975 In London an underground train fails to stop at Moorgate terminus station and crashes into the end of the tunnel, killing 43 people
1980 Andalusia approves its statute of autonomy through a referendum
1983 The final episode of M*A*S*H airs, with almost almost 106 million viewers. It still holds the record for the highest viewership of a season finale
1985 The Provisional Irish Republican Army carries out a mortar attack on the Royal Ulster Constabulary police station at Newry, killing nine officers in the highest loss of life for the RUC on a single day
1986 Olof Palme, prime minister of Sweden, is assassinated in Stockholm
1991 The first Gulf War ends
1993 Bureau of Alcohol, Tobacco and Firearms agents raid the Branch Davidian church in Waco, Texas with a warrant to arrest the group's leader David Koresh. Four BATF agents and five Davidians die in the initial raid, starting a 51-day standoff
1995 Former Australian Liberal party leader John Hewson resigns from the Australian parliament almost two years after losing the Australian federal election, 1993
1997 An earthquake in northern Iran is responsible for about 3,000 deaths
1997 The North Hollywood shootout takes place, resulting in the injury of 19 people and the deaths of both perpetrators
1997 GRB 970228, a highly luminous flash of gamma rays, strikes the Earth for 80 seconds, providing early evidence that gamma-ray bursts occur well beyond the Milky Way
1997 Military Coup in Turkey
1998 First flight of RQ-4 Global Hawk, the first unmanned aerial vehicle certified to file its own flight plans and fly regularly in U.S. civilian airspace
1998 Kosovo War: Serbian police begin the offensive against the Kosovo Liberation Army in Kosovo