During the American Revolutionary War, a small British garrison defending Fort Cumberland in modern-day New Brunswick, Canada, was besieged by a force of American sympathizers led by Jonathan Eddy. For weeks, the isolated defenders endured freezing late-autumn gales, critical food shortages, and constant sniper fire within their decaying earthen ramparts. Cut off from naval reinforcement, the garrison maintained a tight, disciplined defense under immense psychological strain, enduring continuous threats of a final assault until a relief force arrived to break the lines and secure British administrative control over Nova Scotia.

The successful defense of Fort Cumberland became a foundational narrative within Canadian loyalist literature and early historical poetry, widely utilized to frame regional resistance to the American revolution. The event provided regional poets with a powerful literary archetype of stoic fidelity and cold-weather endurance, defining the northern borderlands as a distinct space of anti-revolutionary political survival.