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The Treaty of Athis-sur-Orge was a peace treaty signed on 23 June 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 and concluded the Franco-Flemish War (1297-1305).
Based on the terms of the treaty, Walloon Flanders, being the cities of Lille, Douai, and Orchies, were allocated to the French crown. In return, Flanders was allowed to preserve its independence with the Count of Flanders ruling as supreme authority. At the same time, the treaty provided a yearly penalty of 20.000 pond and reparations of 400.000 pond paid by the Flemish.
Uprisings following the treaty
Because the financial terms of the treaty were so hard, it was met with wide popular disapproval in Flanders. A riot broke out in Bruges right after the treaty was signed. Flemish farmers and middle class were hit the hardest that the Peasant Revolt in Flanders broke out in 1323. The peasant revolt turned into a popular uprising that dominated politics for 5 years in the county of Flanders. It was crushed in 1328 with the Battle of Cassel . In 1337, the treaty was annulled by king Philip IV of France after a new rebellion led by Jacob van Artevelde, started from the city of Ghent.
- List of treaties
- Peasant revolt in Flanders 1323–1328