French ship Diligent (1763) explained

The Diligent was a 74-gun ship of the line of the French Navy. She was funded by a don des vaisseaux donation from the headmasters of the Posts, and built on a design by Antoine Groignard.

From 1773, she was part of the Saint Malo squadron. She was ordered demolished after only six years, and broken up in Brest in 1780.