Battle of Lacolle Mills
1814 CE.
Shown on the map at 45.068°, -73.344°.
The Battle of Lacolle Mills was fought on 30 March 1814 during the War of 1812. The small garrison of a British outpost position, aided by Canadian reinforcements, fought off a large American attack. Despite being outnumbered 12-1, the British pulled off the victory, due to their well-trained and high morale men defeating a non-experienced American group.
Text from the Wikipedia article Battle of Lacolle Mills (1814), licensed CC BY-SA 4.0.