British lost
The cannons were placed in the Roxbury area in Boston during the Siege of Boston. The Siege of Boston occurred from April 19, 1775 to March 17, 1776.
May 10, 1775, was the Capture of Fort Ticonderoga, which occurred during the American Revolutionary War. This broke the standoff at the Siege of Boston.
This was the HMS Lively in June 1775 during the Siege of Boston.
The siege against British troops at Boston
It was the opening phase of the American Revolution war. The colonial militias surrounded Boston, preventing the British from leaving by land and preventing supplies from entering by land. The siege ended when the British left by sea after canon were put in place on Dorchester Heights, overlooking the town.
Siege of Suemori happened in 1584.
Siege of Oguchi happened in 1569.
Siege of Akizuki happened in 1587.
Siege of Iwatsurugi happened in 1554.
Siege of Serres happened in 1342.
Siege of Purandhar happened in 1665.
Siege of Koriyama happened in 1541.