CASUALTY RECORD // January 1, 1775
Invasion of Quebec (1775)
Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.
Casualties by side
1 sides catalogued · combined 1,500 estimated
United Colonies
1,500
Medium-confidence figure
Battle context
The Invasion of Quebec was the first major military initiative undertaken by the Continental Army in the American Revolutionary War. The campaign pursued two strategic aims: seizing the Province of Quebec from British control and drawing French-speaking Canadiens into alliance with the Thirteen Colonies. One column under Richard Montgomery advanced from Fort Ticonderoga, besieging and capturing Fort Saint-Jean and taking Montreal, while a second column under Benedict Arnold traversed the Maine wilderness to converge on Quebec City. Despite these initial successes, the two forces were defeated at Quebec in December 1775. The failure foreclosed any prospect of Canada joining the revolution and left the northern frontier exposed, ultimately allowing Britain to use Quebec as a base from which to threaten the colonies from the north throughout the remainder of the war. The campaign also demonstrated the difficulty of projecting force over extended wilderness supply lines while relying on local populations that did not mobilize as anticipated.
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