September – A Royalist army under the Duc d'Anjou and Marshal Tavannes forces Coligny to abandon the siege of Poitiers.
October 3 – Battle of Moncountour: The Royalist forces of Tavannaes and Anjou defeat Coligny's Huguenots.
The trade compact of 1536 is renewed, exempting French merchants from Ottoman law and allowing them to travel, buy and sell throughout the sultan's dominions and to pay low customs duties on French imports and exports.
