What Happened in January 1504

Jan 1 French King Louis XII loses last bulwark in Naples, Caeta

Jan 31 Under the Treaty of Lyon, French King Louis XII cedes Naples to Ferdinand II of Aragon after defeat in the Italian War of 1499–1504

Jan 17 Pius V [Antonio Ghislieri], Italian Pope (1566-72) who excommunicated Elizabeth I of England and arranged the formation of the Holy League (Battle of Lepanto), born in Bosco, Duchy of Milan (d. 1572)