15 December

Events

Pre-1600

* 533 – Vandalic War: Byzantine general Belisarius defeats the Vandals, commanded by King Gelimer, at the Battle of Tricamarum.
* 687 – Pope Sergius I is elected as a compromise between antipopes Paschal and Theodore.
*1025 – Constantine VIII becomes sole emperor of the Byzantine Empire, 63 years after being crowned co-emperor.
*1161 – Jin–Song wars: Military officers conspire against the emperor Wanyan Liang of the Jin dynasty after a military defeat at the Battle of Caishi, and assassinate the emperor at his camp.
*1167 – Sicilian Chancellor Stephen du Perche moves the royal court to Messina to prevent a rebellion.
*1256 – Mongol forces under Hulagu enter and dismantle the Nizari Ismaili ( Assassin) stronghold at Alamut Castle (in present-day Iran) as part of their offensive on Islamic southwest Asia.
*1270 – The Nizari Ismaili garrison of Gerdkuh, Persia surrender after 17 years to the Mongols.
*1467 – Stephen III of Moldavia defeats Matthias Corvinus of Hungary, with the latter being injured thrice, at the Battle of Baia.

1601–1900

*1651 – Castle Cornet in Guernsey, the last stronghold which had supported the King in the Third English Civil War, surrenders.
*1778 – American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
*1791 – The United States Bill of Rights becomes law when ratified by the Virginia General Assembly.
*1836 – The U.S. Patent Office building in Washington, D.C., nearly burns to the ground, destroying all 9,957 patents issued by the federal government to that date, as well as 7,000 related patent models.
*1864 – American Civil War: The Battle of Nashville begins at Nashville, Tennessee, and ends the following day with the destruction of the Confederate Army of Tennessee as a fighting force by the Union Army of the Cumberland.
*1869 – The short-lived Republic of Ezo is proclaimed in the Ezo area of Japan. It is the first attempt to establish a democracy in Japan.
*1871 – Sixteen-year-old telegraphist Ella Stewart keys and sends the first telegraphed message from Arizona Territory at the Deseret Telegraph Company office in Pipe Spring.
*1890 – Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
*1893 – ''Symphony No. 9'' ("From the New World" the "New World Symphony") by Antonín Dvořák premieres in a public afternoon rehearsal at Carnegie Hall in New York City, followed by a concert premiere on the evening of December 16.
*1899 – British Army forces are defeated at the Battle of Colenso in Natal, South Africa, the third and final battle fought during the Black Week of the Second Boer War.

1901–present

*1903 – Italian American food cart vendor Italo Marchiony receives a U.S. patent for inventing a machine that makes ice cream cones.
*1905 – The Pushkin House is established in Saint Petersburg, Russia, to preserve the cultural heritage of Alexander Pushkin.
*1906 – The London Underground's Great Northern, Piccadilly and Brompton Railway opens.
*1914 – World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
* 1914 – A gas explosion at Mitsubishi Hōjō coal mine, in Kyushu, Japan, kills 687.
*1917 – World War I: An armistice between Russia and the Central Powers is signed.
*1939 – '' Gone with the Wind'' (highest inflation adjusted grossing film) receives its premiere at Loew's Grand Theatre in Atlanta, Georgia, United States.
*1941 – The Holocaust in Ukraine: German troops murder over 15,000 Jews at Drobytsky Yar, a ravine southeast of the city of Kharkiv – World War II: The Battle of Mount Austen, the Galloping Horse, and the Sea Horse begins during the Guadalcanal Campaign.
*1943 – World War II: The Battle of Arawe begins during the New Britain campaign.
*1944 – World War II: a single-engine UC-64A Norseman aeroplane carrying United States Army Air Forces Major Glenn Miller is lost in a flight over the English Channel.
*1945 – Occupation of Japan/Shinto Directive: General Douglas MacArthur orders that Shinto be abolished as the state religion of Japan.
*1960 – Richard Pavlick is arrested for plotting to assassinate U.S. President-Elect John F. Kennedy.
* 1960 – King Mahendra of Nepal suspends the country's constitution, dissolves parliament, dismisses the cabinet, and imposes direct rule.
*1961 – Adolf Eichmann