Jan 4 Anna of Brittany announces that all those who would ally with the king of France will be considered guilty of the crime of lese-majesty Jan 23 1st printing of Ramban's Sha'ar ha-Gemul Mar 23 First dated edition of Maimonides "Mishneh Torah", a code of Jewish religious law is published 1489 Historical Events by Year 1491 Medieval Popes Gregory I Gregory XIII Julius II Julius III Leo X Pius V