1412

January–December

• January 16 - The Medici family are made official bankers of the Papacy.
• January 25 - Ernest, Duke of Austria, marries Cymburgis of Masovia.
• July 24 - Behnam Hadloyo becomes Syriac Orthodox Patriarch of Mardin.
• October 5 - Emperor Go-Komatsu abdicates, and Emperor Shoko accedes to the throne of Japan.
• October 28 - Eric of Pomerania becomes sole ruler of the Kalmar Union, upon the death of Queen Margaret.
• December - Battle of Chalagan: The Kara Koyunlu Turkomans defeat the Georgians under Constantine I of Georgia, and their ally Ibrahim I of Shirvan.

  Date unknown

• The first mention is made of Wallachian knights competing in a jousting tournament, in Buda.
• John II of Castile declares the Valladolid laws, that restrict the social rights of Jews. Among many other restrictions, the laws force Jews to wear distinctive clothes, and deny them administrative positions.
• Years after its publication in the 14th century, the Ming Dynasty Chinese artillery officer Jiao Yu adds the preface to his classic book on gunpowder warfare, the Huolongjing.