You don’t exactly think of quaint Canadian fishing towns as a theater of war. But Fort Péninsule (Peninsula Fort), strategically at the mouth of the Saint Lawrence River, played a critical role in the defense of Allied shipping convoys and winning the Battle of the Atlantic during World War II. As early as 1941, German U-Boats had been spotted off the coast of Newfoundland and Nova Scotia. It was just a matter of time before they found their way around the Gulf of Saint Lawrence and started meddling with critical…