Fortification of Dorchester Heights

March 4–5, 1776 · Dorchester Heights

Result British forces evacuate Boston on March 17

American troops under George Washington placed cannon from Fort Ticonderoga on the heights overlooking Boston in one night. The British could not hold the city and evacuated it on 17 March 1776.

American

British

Strength and losses

Strength
2,000–6,000
Strength
10,000