This Day in History: December 15

The Battle of St. Lucia or the Battle of the Cul de Sac was a naval battle fought off the island of St. Lucia in the West Indies during the American War of Independence on 15 December 1778, between the British Royal Navy and the French Navy. [More]

And yes, of course I know what else happened, and talk about it in a sub-feature here. I'm working 1778 this year.