270 St. Valentine was killed.
1014 – Pope Benedict VIII crowned Henry of Bavaria, King of Germany and of Italy, as Holy Roman Emperor.
1349 Approximately 2,000 Jews were burned to death by mobs or forcibly removed from the city of Strasbourg.
1483 Babur, Moghul emperor of India, was born d. 1530).
1556 Thomas Cranmer was declared a heretic.
1743 Henry Pelham became British Prime Minister.
1778 The United States Flag was formally recognised by a foreign naval vessel for the first time, when French Admiral Toussaint-Guillaume Picquet de la Motte rendered a nine gun salute to USS Ranger, commanded byJohn Paul Jones.
1779 James Cook was killed by Hawaiians near Kealakekua on the Island of Hawaii.
1797 Battle of Cape St. Vincent – John Jervis, 1st Earl of St Vincent and Horatio Nelson (later 1st Viscount Nelson) led the British Royal Navy to victory over a Spanish fleet in action near Gibraltar.
1803 Chief Justice John Marshall declared that any act of U.S. Congress that conflicts with the Constitution was void.
1804 Karadjordje led the First Serbian Uprising against the Ottoman Empire.
1831 Ras Marye of Yejju marched into Tigray and defeated and killed Dejazmach Sabagadis in the Battle of Debre Abbay.
1835 The original Quorum of the Twelve Apostles, of The Church of Jesus Christ of Latter-day Saints, iws formed in Kirtland, Ohio.
1838 Margaret E. Knight, American inventor, was born (d. 1914).
1847 Anna Howard Shaw, American suffragette, was born (d. 1919).
1849 James Knox Polk became the first serving President of the United States to have his photograph taken.
1859 George Washington Gale Ferris, Jr., American engineer and inventor (Ferris Wheel) , was born (d. 1896).
1869 – Charles Thomson Rees Wilson, Scottish physicist and meteorologist, Nobel Prize laureate, was born(d. 1959).
1879 The War of the Pacific broke out when Chilean armed forces occupied the Bolivian port city of Antofagasta.
1890 – Nina Hamnett, Welsh-English painter and author, was born (d. 1956).
1899 Voting machines were approved by the U.S. Congress for use in federal elections.
1900 Second Boer War: 20,000 British troops invaded the Orange Free State.
1912 – The first diesel-powered submarine was commissioned.
1915 Maori soldiers set sail for World War I.
1919 The Polish-Soviet War began.
1920 The League of Women Voters was founded in Chicago.
1924 – Patricia Knatchbull, 2nd Countess Mountbatten of Burma, was born.
1924 The International Business Machines Corporation (IBM) was founded.
1929 St. Valentine’s Day Massacre: Seven people, six of them gangster rivals of Al Capone‘s gang, are murdered in Chicago.
1935 – David Wilson, Baron Wilson of Tillyorn, Scottish academic and diplomat, 27th Governor of Hong Kong, was born.
1942 Battle of Pasir Panjang contributed to the fall of Singapore.
1942 – Michael Bloomberg, Mayor of New York City, was born.
1943 Tunisia Campaign – General Hans-Jurgen von Arnim’s Fifth Panzer Army launches a concerted attack against Allied positions in Tunisia.
1944 – Carl Bernstein, American journalist, was born.
1944 Anti-Japanese revolt on Java.
1945 Prague was bombed probably due to a mistake in the orientation of the pilots bombing Dresden.
1945 Mostar was liberated by Yugoslav partisans.
1946 The Bank of England was nationalised.
1946 ENIAC, the first general-purpose electronic computer, was unveiled.
1961 Discovery of the chemical elements: Element 103, Lawrencium, was first synthesized at the University of California.
1962 USA First Lady Jacqueline Kennedy took television viewers on a tour of the White House.
1966 Australian currency was decimalised.
1979 Muslims kidnapped the American ambassador to Afghanistan, Adolph Dubs.
1981 Stardust Disaster: A fire in a Dublin nightclub killed 48 people
1983 United American Bank of Knoxville, Tennessee collapsed.
1989 Union Carbide agreed to pay $470 million to the Indian government for damages it caused in the 1984 Bhopal Disaster.
1990 92 people were killed aboard Indian Airlines Flight 605 at Bangalore.
1998 – New Zealand’s new national museum, Museum of New Zealand Te Papa Tongarewa, officially opened on Wellington’s waterfront,.
2002 – Tullaghmurray Lass sank off the coast of Kilkeel, County Down killing three members of the same family on board.
2005 – Seven people were killed and 151 wounded in a series of bombings by suspected Al-Qaeda-linked militants that hit the Philippines’ Makati financial district in Metro Manila, Davao City, and General Santos City.
2008 – Northern Illinois University shooting: a gunman opened fire in a lecture hall of the DeKalb County, Illinois university resulting in 6 fatalities (including gunman) and 18 injuries.
2015 – Two people were killed in shootings at a free-speech seminar and at a synagogue service in Copenhagen.
Sourced from NZ History Online & Wikipedia.