"at the battle of Fontenoy"
The Battle of Fontenoy
Public DomainThe Battle of Fontenoy - Credit: Mathiasrex

The Battle of Fontenoy was part of the War of the Austrian Succession, a war which took place from 1740-1748.  The battle was fought on 11th May 1745 in Fontenoy, which is now part of Belgium.  It resulted in a victory for the French over the Allied forces of Great Britain, Austria, Hanover and the Dutch Republic.