What is December 12?
{{calendar}} {{day}} == Events == === Up to 1900 === * [[627]] &ndash; [[Battle of Nineveh (627)|Battle of Nineveh]]: A [[Byzantine Empire|Byzantine]] army under Emperor [[Heraclius]] defeated Emperor [[Khosrau II]]'s [[Persians|Persian]] forces, commanded by General Rhahzadh. * [[1098]] &ndash; [[First Crusade]]: [[Siege of Ma'arra|Massacre of Ma'arrat al-Numan]] – Crusaders breach the town's walls and massacre about 20,000 of the people living in it. After finding themselves without enough food, they resort to [[cannibalism]]. * [[1531]] &ndash; Vision of [[Our Lady of Guadalupe]] to Juan Diego in [[Mexico City]]. * [[1719]] &ndash; The ''[[Boston Gazette]]'' is published for the first time. * [[1781]] &ndash; [[American Revolutionary War]]: [[Second Battle of Ushant]] – A [[Royal Navy]] squadron, commanded by Rear Admiral [[Richard Kempenfelt]] in [[HMS Victory|HMS ''Victory'']], defeats a [[France|French]] fleet. * [[1787]] &ndash; [[Pennsylvania]] becomes the 2nd state to make the [[United States Constitution]] official. * [[1812]] &ndash; [[French invasion of Russia]] comes to an end. * [[1862]] &ndash; [[USS Cairo|USS ''Cairo'']] sank on the [[Yazoo River]], becoming the first armored ship to be sunk by an electrically detonated mine. * [[1870]] &ndash; [[Joseph H. Rainey]] of [[South Carolina]] becomes the first black [[Congress of the United States|U.S. congressman]]. * [[1897]] &ndash; [[Belo Horizonte]], the first [[planned city]] of [[Brazil]], is made official. === 1901 &ndash; 1950 === * [[1901]] &ndash; [[Guglielmo Marconi]] receives the first [[trans-Atlantic]] [[radio]] signal at [[Signal Hill, Newfoundland and Labrador|Signal Hill]] in [[St John's, Newfoundland]]. * [[1911]] &ndash; [[Delhi]] replaces [[Calcutta]] as the capital of [[India]]. * [[1911]] &ndash; [[George V of the United Kingdom]] and [[Mary of Teck]] are crowned [[Emperor]] and [[Empress]] of [[India]]. * [[1913]] &ndash; The [[Mona Lisa]] by [[Leonardo da Vinci]], stolen from the [[Louvre]] two years earlier, is found in [[Flor