alternatehistory.com

The battle of Sluys was he first engagement of the hundreds year was and was a naval engagement between the numerically superior French and English navies. The battle was decisive one and it meant the English controlled the Chanel for the rest of the hundreds year war and meant that the land war took place in mainland Europe.

So WI the French won and for a added bonus Edward III died. In otl he was only wounded in the battle.
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