11 February Events

February 11 is the 42nd day of the year in the Gregorian calendar. There are 323 days remaining until the end of the year (324 in leap years). This date is slightly more likely to fall on a Monday, Thursday or Saturday (58 in 400 years each) than on Tuesday or Wednesday (57), and slightly less likely to occur on a Friday or Sunday (56).
Events
660 BC – Traditional date for the foundation of Japan by Emperor Jimmu.
AD 55 – Tiberius Claudius Caesar Britannicus, heir to the Roman emperorship, dies under mysterious circumstances in Rome. This clears the way for Nero to become Emperor.
244 – Emperor Gordian III is murdered by mutinous soldiers in Zaitha (Mesopotamia). A mound is raised at Carchemish in his memory.
1177 – John de Courcy's army defeats the native Dunleavey Clan in Ulster. The English establish themselves in Ulster.
1534 – Henry VIII of England is recognized as supreme head of the Church of England.
1626 – Emperor Susenyos I of Ethiopia and Patriarch Afonso Mendes declare the primacy of the Roman See over the Ethiopian Church, and Catholicism to be the state religion of Ethiopia.
1659 – The assault on Copenhagen by Swedish forces is beaten back with heavy losses.
1790 – The Religious Society of Friends, also known as Quakers, petitions U.S. Congress for the abolition of slavery.
1794 – First session of United States Senate opens to the public.
1808 – Jesse Fell burns anthracite on an open grate as an experiment in heating homes with coal.
1812 – Massachusetts governor Elbridge Gerry is accused of "gerrymandering" for the first time.
1823 – Carnival tragedy of 1823: About 110 boys are killed during a stampede at the Convent of the Minori Osservanti in Valletta, Malta.
1826 – University College London is founded as University of London.
1840 – Gaetano Donizetti's opera La fille du régiment receives its first performance in Paris, France.
1843 – Giuseppe Verdi's opera I Lombardi alla prima crociata receives its first performance in Milan, Italy.
1855 – Kassa Hailu is crowned Tewodros II, Emperor of Ethiopia, by Abuna Salama III in a ceremony at the church of Derasge Maryam
1856 – The Kingdom of Awadh is annexed by the British East India Company and Wajid Ali Shah, the king of Awadh, is imprisoned and later exiled to Calcutta.
1858 – Bernadette Soubirous's first vision of the Blessed Virgin Mary in Lourdes, France.
1861 – American Civil War: The United States House of Representatives unanimously passes a resolution guaranteeing noninterference with slavery in any state.
1873 – King Amadeo I of Spain abdicates.
1889 – Meiji Constitution of Japan is adopted; the first National Diet convenes in 1890.
1903 – Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
1906 – Pope Pius X publishes the encyclical Vehementer Nos.
1919 – Friedrich Ebert (SPD), is elected President of Germany.
1929 – Kingdom of Italy and the Vatican sign the Lateran Treaty.
1937 – A sit-down strike ends when General Motors recognizes the United Auto Workers.
1938 – BBC Television produces the world's first ever science fiction television program, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
1939 – A Lockheed P-38 Lightning flies from California to New York in 7 hours 2 minutes.
1942 –World War II: The Battle of Bukit Timah is fought in Singapore.
1943 – World War II: General Dwight D. Eisenhower is selected to command the allied armies in Europe.
1953 – U.S.President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
1953 – The Soviet Union breaks off diplomatic relations with Israel.
1959 – The Federation of Arab Emirates of the South, which will later become South Yemen, is created as a protectorate of the United Kingdom.
1964 – Greeks and Turks begin fighting in Limassol, Cyprus.
1971 – Eighty-seven countries, including the United States, United Kingdom, and Soviet Union, sign the Seabed Arms Control Treaty outlawing nuclear weapons on the ocean floor in international waters.
1973 – Vietnam War: First release of American prisoners of war from Vietnam takes place.
1978 – Censorship: China lifts a ban on works by Aristotle, William Shakespeare and Charles Dickens.
1979 – The Iranian Revolution establishes an Islamic theocracy under the leadership of Ayatollah Ruhollah Khomeini.
1981 – Around 100,000 US gallons (380 m3) of radioactive coolant leak into the containment building of TVA Sequoyah 1 nuclear plant in Tennessee, contaminating eight workers.
1990 – Nelson Mandela is released from Victor Verster Prison outside Cape Town, South Africa after 27 years as a political prisoner.
1990 – Buster Douglas, a 42:1 underdog, knocks out Mike Tyson in ten rounds at Tokyo to win boxing's world Heavyweight title and cause the largest upset in sports history.
1997 – Space Shuttle Discovery is launched on a mission to service the Hubble Space Telescope.
2001 – A Dutch programmer launched the Anna Kournikova virus infecting millions of emails via a trick photo of the tennis star.
2008 – Rebel East Timorese soldiers seriously wound President José Ramos-Horta. Rebel leader Alfredo Reinado is killed in the attack.
2011 – The first wave of the Egyptian revolution culminates in the resignation of Hosni Mubarak and the transfer of power to the Supreme Military Council after 18 days of protests.
2014 – A military transport plane crashes in a mountainous area of Oum El Bouaghi Province in eastern Algeria, killing 77 people.
2015 – A university student was murdered as she resisted an attempted rape in Turkey, sparking nationwide protests and public outcry against harassment and violence against women.
2016 – A man shoots six people dead at an education center in Jizan Province, Saudi Arabia.

Holidays and observances

Christian feast day:
Benedict of Aniane
Blaise
Cædmon, first recorded Christian poet in England, circa 680 CE (Anglicanism)
Fanny Crosby (Episcopal Church (USA))
Gobnait
Gregory II
February 11 (Eastern Orthodox liturgics)
112 day (European Union)
Armed Forces Day (Liberia)
Day of Revenue Service (Azerbaijan)
Evelio Javier Day (Panay Island, the Philippines)
Feast day of Our Lady of Lourdes (Catholic Church), and its related observance:
World Day of the Sick (Roman Catholic Church)
Inventors' Day (United States)
National Foundation Day (Japan)
Youth Day (Cameroon)

Source: Wikipedia