February 22 events in history

705 Empress Wu Zetian abdicates the throne, restoring the Tang Dynasty
1316 Battle of Picotin between Ferdinand of Majorca and the forces of Matilda of Hainaut
1371 Robert II becomes King of Scotland, beginning the Stuart dynasty
1495 King Charles VIII of France enters Naples to claim the city's throne
1632 Galileo's Dialogue Concerning the Two Chief World Systems is published
1651 St. Peter's Flood: A storm surge floods the Frisian coast, drowning 15,000 people
1744 War of the Austrian Succession: The Battle of Toulon begins
1797 The Last Invasion of Britain begins near Fishguard, Wales
1819 By the Adams–Onís Treaty, Spain sells Florida to the United States for five million U.S. dollars
1821 Greek War of Independence: Alexander Ypsilantis crosses the Prut river at Sculeni into the Danubian Principalities
1847 Mexican–American War: The Battle of Buena Vista – 5,000 American troops defeat 15,000 Mexicans
1848 The French Revolution of 1848, which would lead to the establishment of the French Second Republic, begins
1853 Washington University in St. Louis is founded as Eliot Seminary in St. Louis, Missouri
1855 The Pennsylvania State University is founded in State College, Pennsylvania (as the Farmers' High School of Pennsylvania)
1856 The Republican Party opens its first national meeting in Pittsburgh
1862 Jefferson Davis is officially inaugurated for a six-year term as the President of the Confederate States of America in Richmond, Virginia. He was previously inaugurated as a provisional president on February 18, 1861
1872 The Prohibition Party holds its first national convention in Columbus, Ohio, nominating James Black as its presidential nominee
1879 In Utica, New York, Frank Woolworth opens the first of many of 5 and dime Woolworth stores
1889 United States President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states
1899 Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans
1904 The United Kingdom sells a meteorological station on the South Orkney Islands to Argentina, the islands are subsequently claimed by the United Kingdom in 1908
1909 The sixteen battleships of the Great White Fleet, led by USS Connecticut, return to the United States after a voyage around the world
1915 World War I: Germany institutes unrestricted submarine warfare
1921 After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia
1924 U.S. President Calvin Coolidge becomes the first President to deliver a radio broadcast from the White House
1942 World War II: President Franklin D. Roosevelt orders General Douglas MacArthur out of the Philippines as the Japanese victory becomes inevitable
1943 World War II: Members of the White Rose resistance, Sophie Scholl, Hans Scholl, and Christoph Probst are executed in Nazi Germany
1944 World War II: The Soviet Red Army recaptures Krivoi Rog
1944 World War II: American aircraft mistakenly bomb the Dutch towns of Nijmegen, Arnhem, Enschede and Deventer, resulting in 800 dead in Nijmegen alone
1948 Communist revolution in Czechoslovakia
1957 Ngo Dinh Diem of South Vietnam survives a communist shooting assassination attempt in Ban Me Thuot
1958 Egypt and Syria join to form the United Arab Republic
1959 Lee Petty wins the first Daytona 500
1972 The Official Irish Republican Army detonates a car bomb at Aldershot barracks, killing seven and injuring nineteen others
1973 Cold War: Following President Richard Nixon's visit to the People's Republic of China, the two countries agree to establish liaison offices
1974 Samuel Byck tries and fails to assassinate U.S. President Richard Nixon
1974 The Organisation of the Islamic Conference summit begins in Lahore, Pakistan. Thirty-seven countries attend and twenty-two heads of state and government participate. It also recognizes Bangladesh
1979 Independence of Saint Lucia from the United Kingdom
1980 Miracle on Ice: In Lake Placid, New York, the United States hockey team defeats the Soviet Union hockey team 4–3
1983 The notorious Broadway flop Moose Murders opens and closes on the same night at the Eugene O'Neill Theatre
1986 Start of the People Power Revolution in the Philippines
1994 Aldrich Ames and his wife are charged by the United States Department of Justice with spying for the Soviet Union
1995 The Corona reconnaissance satellite program, in existence from 1959 to 1972, is declassified
1997 In Roslin, Scotland, scientists announce that an adult sheep named Dolly has been successfully cloned
2002 Angolan political and rebel leader Jonas Savimbi is killed in a military ambush
2006 At least six men stage Britain's biggest robbery, stealing £53m (about $92.5 million or €78 million) from a Securitas depot in Tonbridge, Kent
2011 New Zealand's second deadliest earthquake strikes Christchurch, killing 185 people
2011 Bahraini uprising: Tens of thousands of people march in protest against the deaths of seven victims killed by police and army forces during previous protests
2012 A train crash in Buenos Aires, Argentina, kills 51 people and injures 700 others
2014 President Viktor Yanukovych of Ukraine is impeached by the Verkhovna Rada of Ukraine by a vote of 328-0, fulfilling a major goal of the Euromaidan rebellion