Events on 12 December 47
See all →Year 627
Battle of Nineveh: A Byzantine army under Emperor Heraclius defeats Emperor Khosrau II's Persian forces, commanded by General Rhahzadh.
Year 884
King Carloman II dies after a hunting accident. He is succeeded by his cousin, emperor Charles the Fat, who for the last time reunites the Frankish Empire.
Year 1098
First Crusade: Siege of Ma'arrat al-Numan: Crusaders breach the town's walls and massacre about 20,000 inhabitants. After finding themselves with insufficient food, they reportedly resort to cannibalism.
Year 1388
Mary of Enghien sells the lordship of Argos and Nauplia to the Republic of Venice.
Year 1408
The Order of the Dragon, a monarchical chivalric order, is created by Sigismund of Luxembourg, then king of Hungary.
Year 1781
American Revolutionary War: Second Battle of Ushant: A British fleet led by HMS Victory defeats a French fleet.
Year 1787
Pennsylvania becomes the second state to ratify the United States Constitution, five days after Delaware became the first.
Year 1862
American Civil War: USS Cairo sinks on the Yazoo River, becoming the first armored ship to be sunk by a controlled mine.
Year 1866
Oaks explosion: The worst mining disaster in England kills 361 miners and rescuers.
Year 1870
Joseph H. Rainey of South Carolina becomes the second black U.S. congressman, the first being Hiram Revels.