page_title: Siege of Boston
section_title: End of the siege
hierarchical_section_title: Siege of Boston / End of the siege
caption_attribution_description: English: Henry Knox bringing artillery to end the Siege of Boston.
context_page_description: The Siege of Boston was the opening phase of the American Revolutionary War. New England militiamen prevented the movement by land of the British Army, which was garrisoned in what was then the peninsular city of Boston, Massachusetts Bay. Both sides had to deal with resource supply and personnel issues over the course of the siege. British resupply and reinforcement activities were limited to sea access. After eleven months of the siege, the British abandoned Boston by sailing to Nova Scotia.
  The siege began on April 19 after the Battles of Lexington and Concord, when the militia from surrounding Massachusetts communities blocked land access to Boston. The Continental Congress formed the Continental Army from the militia, with George Washington as its Commander in Chief. In June 1775, the British seized Bunker and Breed's Hills, from which the Continentals were preparing to bombard the city, but their casualties were heavy and their gains were insufficient to break the Continental Army's hold on land access to Boston. The Americans laid siege to the British-occupied city.
context_section_description: Between November 1775 and February 1776, Colonel Henry Knox and a team of engineers used sledges to retrieve 60 tons of heavy artillery that had been captured at Fort Ticonderoga. Bringing them across the frozen Hudson and Connecticut rivers in a difficult, complex operation, they arrived back at Cambridge on January 24, 1776.
caption: Henry Knox bringing his "noble train" of artillery to Cambridge
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