Wikipedia:Selected anniversaries/October 6

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 * 618 – Wang Shichong's army defeated Li Mi's at the Battle of Yanshi, allowing Wang to consolidate his power and soon depose China's Sui dynasty.
 * 1762 – Seven Years' War: The Battle of Manila concluded with a British victory over Spain, leading to a twenty-month occupation.
 * 1777 – American Revolutionary War: Fort Clinton and Fort Montgomery were captured by British forces under Sir Henry Clinton, dismantling the Hudson River Chains.
 * 1908 – Austria-Hungary announced the annexation of Bosnia and Herzegovina, causing a crisis that permanently damaged the country's relations with the Russian Empire and the Kingdom of Serbia.


 * 1934 – Catalonia's autonomous government declared a general strike, an armed insurgency, and the establishment of the Catalan State in reaction to the inclusion of conservatives in the Spanish republican regime.
 * 1973 – Egyptian forces crossed the Suez Canal (pictured) to attack occupying Israeli forces at the Bar Lev Line, starting the Yom Kippur War.
 * 1976 – Two bombs placed by the CIA-linked Cuban dissident group Coordination of United Revolutionary Organizations exploded on Cubana Flight 455, killing all 73 aboard.
 * 1981 – Egyptian president Anwar Sadat was assassinated while attending a parade in Cairo to mark the eighth anniversary of the Crossing of the Bar Lev Line at the start of the 1973 Arab-Israeli War.
 * 1985 – Police constable Keith Blakelock was killed during rioting in the Broadwater Farm housing estate in Tottenham, London.
 * 1989 – About 200 members of the San Francisco Police Department instigated a police riot in the Castro following a peaceful protest held by ACT UP.
 * 1995 – Astronomers Michel Mayor and Didier Queloz reported the discovery of a planet orbiting 51 Pegasi as the first known exoplanet around a main-sequence star.
 * 1998 – University of Wyoming gay student Matthew Shepard was attacked and fatally wounded near Laramie, Wyoming, U.S., dying six days later.
 * 2000 – Denouncing corruption in Argentine president Fernando de la Rúa's administration and the Senate, Vice President Carlos Álvarez resigned.
 * 2002 – Al-Qaeda bombed the oil tanker Limburg, causing oil to leak into the Gulf of Aden.
 * 2010 – The first version of the Instagram mobile application was released for iOS devices.
 * Born/died: | Nicetas the Patrician |d|836|Samuel of Bulgaria |d|1014|Wenceslaus III of Bohemia |b|1289| Matteo Ricci |b|1552| Guru Har Rai |d|1661| Sarah Crosby |b|1729| Francesco Manfredini |d|1762|John Cameron |b|1846|Meghnad Saha |b|1893|Albert M. Todd |d|1931|Sadiq al-Ahmar |b|1956|  Hattie Jacques |d|1980| Babasaheb Bhosale |d|2007

October 6: German-American Day in the United States


 * 1762 – Seven Years' War: The Battle of Manila concluded with a British victory over Spain, leading to a twenty-month occupation.
 * 1927 – The Jazz Singer, one of the first feature-length motion pictures with a synchronized recorded music score, was released.
 * 1998 – Matthew Shepard, a gay college student, was attacked and fatally wounded near Laramie, Wyoming, U.S., dying six days later.
 * 2002 – Al-Qaeda bombed the oil tanker Limburg, causing oil to leak into the Gulf of Aden.
 * 2008 – The MESSENGER probe discovered Mercury's Rembrandt (pictured) – the second largest impact crater on the planet.