Treaty of Athis-sur-Orge
The Treaty of Athis-sur-Orge was a peace treaty signed on June 23, 1305 between King Philip IV of France and Robert III of Flanders. The treaty was signed at Athis-sur-Orge after the Battle of Mons-en-Pévèle. Based on the terms of the treaty, the cities of Lille, Douai, and Béthune were allocated to France. In return, Flanders was allowed to preserve its independence.