The cannon had been cast in England for use during the American Revolutionary War, but the war ended before they were shipped.
View from the battlements of Fort Ticonderoga in New York on Lake Champlain showing cannon, the lake, and part of Mount Defiance.
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After the fort was captured by an American force led by Ethan Allen and Benedict Arnold in May 1775, its cannon were transported to Boston where their deployment on Dorchester Heights forced the British to evacuate the city in March 1776.
Mount Defiance in New York state on Lake Champlain overlooks Fort Ticonderoga 1.6 km (1 mi) to the southwest.
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