1315: Flemish Campaign, Bogging Down and Embargo

Louis X attempts to continue his father’s policy: to impose French suzerainty over a rich, urban, and difficult-to-control Flanders. But the operation of 1315 turns to failure.

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🏇 Mobilization and Withdrawal

On July 31, 1315, the king mobilizes an army at the Flemish frontier. The campaign bogs down: absence of decisive battle, logistical difficulties, and unfavorable terrain. The royal army is notably hampered by the Lys in flood, which forces Louis X to withdraw.

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🚫 Embargo and Unexpected Effects

In retaliation, the king forbids exports of cereals and other materials to Flanders. Application is difficult: the embargo encourages smuggling and obliges the monarchy to seek support to control routes and ports.

Power applies pressure on:

• officers of the Church in border regions;
• Edward II of England, in order to limit certain maritime flows.

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🍞 Requisitions and Complaints

For want of victory, the monarchy must requisition foodstuffs for its forces, which provokes complaints from local lords and ecclesiastical institutions. The campaign thus reveals the limits of a State that wishes to wage war without solid consensus.

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🧠 Key Points to Remember

• 1315 is a military failure that weakens the king’s prestige.
• The embargo becomes an economic war difficult to control.
• Logistical constraints (foodstuffs, routes, rivers) weigh as much as battles.