Secret Treaty with Henry VIII
May 17 Scottish Earl of Lennox Matthew Stewart signs a secret treaty with English King Henry VIII
Recognition of Christian III
May 23 Holy Roman Emperor Charles V recognizes King Christian III of Denmark
- Jul 19 Italian War of 1542: The Siege of Boulogne begins
- Aug 17 French city of Saint-Dizier seized by Imperial army of Holy Roman Emperor Charles V during Italian War (1842-46)
- Sep 18 English King Henry VIII's troops occupy Boulogne
- Sep 30 King of England Henry VIII draws his armies out of France
- Nov 10 Flemish painter Jan Matsys banished from Antwerp for religious beliefs
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V