It's where George Washington broke the siege of Boston. Dorchester Heights - Wikipedia Dorchester is remembered in American history for an action in the American Revolutionary War known as the Fortification of Dorchester Heights. read more
Under the cover of constant bombing from American artillery, Brigadier General John Thomas slips 2,000 troops into position at Dorchester Heights, just south of Boston, and occupies the territory. read more
The Battle of Dorchester Heights on March 17, 1776, was a victory for the colonists. read more