February: Peace of Paris: The Huguenots agree to leave the islands of Olèron and Ré they've occupied since 1625 in exchange for keeping their fortified towns and the right to continue their worship.[2]
May: Treaty of Monzon: The French and their allies, the Grisons, gain overlordship over the Val Tellina pass, an important pass through the Alps they've been fighting for with the Spaniards and the Papal troops for roughly a year [3]
July: Jean-Baptiste d'Ornano dies in prison as a result of kidney and bladder ailments after having been arrested for taking part in the Chalais conspiracy[7]