WHAT HAPPENED ON 15. OCTOBER
Want to find out what all happened on 15. October

Edgar the Ætheling proclaimed King of England, but never crowned. Reigned until 10 December 1066. (15. October 1066)

Battle of the Rhyndacus: The Latin emperor Henry of Flanders defeats the Nicaean emperor Theodore I Lascaris. (15. October 1211)

The Siege of Vienna ends as the Austrians rout the invading Turks, turning the tide against almost a century of unchecked conquest throughout eastern and central Europe by the Ottoman Empire. (15. October 1529)

Pope Gregory XIII implements the Gregorian calendar. In Italy, Poland, Portugal, and Spain, October 4 of this year is followed directly by October 15. (15. October 1582)

Edward Gibbon observes a group of friars singing in the ruined Temple of Jupiter in Rome, which inspires him to begin work on The History of the Decline and Fall of the Roman Empire. (15. October 1764)

The Montgolfier brothers' hot air balloon marks the first human ascent, by Jean-François Pilâtre de Rozier, (tethered balloon). (15. October 1783)

Queen Marie-Antoinette of France is tried and convicted in a swift, pre-determined trial in the Palais de Justice, Paris, and condemned to death the following day. (15. October 1793)

Napoleon I of France begins his exile on Saint Helena in the Atlantic Ocean. (15. October 1815)

American Civil War: The H. L. Hunley, the first submarine to sink a ship, sinks during a test, killing its inventor, Horace L. Hunley. (15. October 1863)

American Civil War: The Battle of Glasgow is fought, resulting in the surrender of Glasgow, Missouri, and its Union garrison, to the Confederacy. (15. October 1864)

The Edison Electric Light Company begins operation. (15. October 1878)

Mexican soldiers kill Victorio, one of the greatest Apache military strategists. (15. October 1880)

The "From Hell" letter sent by Jack the Ripper is received by investigators. (15. October 1888)

The Dreyfus affair: Alfred Dreyfus is arrested for spying. (15. October 1894)

The Russian Baltic Fleet leaves Reval, Estonia for Port Arthur during the Russo-Japanese War. (15. October 1904)

Airship America launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft. (15. October 1910)

World War I: At Vincennes outside of Paris, Dutch dancer Mata Hari is executed by firing squad for spying for the German Empire. (15. October 1917)

The airship, Graf Zeppelin completes its first trans-Atlantic flight, landing at Lakehurst, New Jersey, United States. (15. October 1928)

Tata Airlines (later to become Air India) makes its first flight. (15. October 1932)

The Soviet Republic of China collapses when Chiang Kai-shek's National Revolutionary Army successfully encircles Ruijin, forcing the fleeing Communists to begin the Long March. (15. October 1934)