War of the Flemish Succession

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Were a series of conflicts over the succession in the County of Flanders during the Middle Ages.

Chronology

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1. First War of the Flemish Succession

Was the first of three conflicts over the succession of the County of Flanders.

January 1244: The first conflict opened with Margaret's succession in 1244. John I of Avesnes and William of Dampierre, half brothers, fought between themselves until King Louis IX intervened in 1246.

2. Second War of the Flemish Succession

Was the second of three conflicts over the succession of the County of Flanders.

January 1248: 1248 - 4 July 1253: the Battle of West-Capelle on 4 July 1253, when John I of Avesnes gained a brilliant victory over Guy of Dampierre and forced him and his mother to respect the division of Louis and grant him Hainault.

3. Third War of the Flemish Succession

Was the last of three conflicts over the succession of the County of Flanders.

January 1253: Margaret did not rest in her defeat and did not recognise herself as overcome. She instead granted Hainault to Charles of Anjou. When Louis returned in 1254, he reaffirmed his earlier arbitration and ordered his brother to get out of the conflict. Charles returned to Provence. With this second arbitration of the holy king, the conflict closed and John I of Avesnes was secure in Hainault.