WHAT HAPPENED ON 14. FEBRUARY
Want to find out what all happened on 14. February

Second Boer War: In South Africa, 20,000 British troops invade the Orange Free State. (14. February 1900)

The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor). (14. February 1903)

Arizona is admitted as the 48th U.S. state. (14. February 1912)

In Groton, Connecticut, the first diesel-powered submarine is commissioned. (14. February 1912)

The Soviet Union adopts the Gregorian calendar (on 1 February according to the Julian calendar). (14. February 1918)

The Polish–Soviet War begins. (14. February 1919)

The League of Women Voters is founded in Chicago. (14. February 1920)

The Computing-Tabulating-Recording Company changes its name to International Business Machines Corporation (IBM). (14. February 1924)

Saint Valentine's Day Massacre: Seven people, six of them gangster rivals of Al Capone's gang, are murdered in Chicago, Illinois. (14. February 1929)

Battle of Pasir Panjang contributes to the fall of Singapore. (14. February 1942)

World War II: Rostov-on-Don, Russia is liberated. (14. February 1943)

World War II: Tunisia Campaign – General Hans-Jürgen von Arnim's Fifth Panzer Army launches a concerted attack against Allied positions in Tunisia. (14. February 1943)

World War II: Anti-Japanese revolt on Java. (14. February 1944)

World War II: On the first day of the bombing of Dresden, the British Royal Air Force and the United States Army Air Forces begin fire-bombing Dresden, the capital of the German state of Saxony. (14. February 1945)

World War II: Navigational error leads to the mistaken bombing of Prague, Czechoslovakia by an American squadron of B-17s assisting in the Soviet's Vistula–Oder Offensive. (14. February 1945)

World War II: Mostar is liberated by Yugoslav partisans. (14. February 1945)

President Franklin D. Roosevelt meets with King Ibn Saud of Saudi Arabia aboard the USS Quincy, officially beginning U.S.-Saudi diplomatic relations. (14. February 1945)

The Bank of England is nationalized. (14. February 1946)

The Knesset (Israeli parliament) convenes for the first time. (14. February 1949)

The Asbestos Strike begins in Canada. The strike marks the beginning of the Quiet Revolution in Quebec. (14. February 1949)