Siege of Saint-Martin-de-Ré
Jul 10 English fleet under George Villiers reach La Rochelle [NS=June 20]
- Jul 12 English invasion fleet under George Villiers lands on the Île de Ré, forced to withdraw after 3 months of combat and losing 4,000 of 7,000 troops
- Aug 10 Cardinal Richelieu begins siege of La Rochelle
Dutch Take Fort Groenlo
Aug 19 Prince of Orange Frederick Henry conquers fort Groenlo after a siege, during the Dutch revolt against Spain
- Oct 27 English invasion force under Duke of Buckingham abandons assault on French fortress of Saint Martin on Île de Ré, returning with just 2989 troops out of nearly 7000