Event / Festival - Bunker hill day Date - Charlestown Date - 17th June 2013 ,Monday Result- British Pyrrhic victory Territorial changes - British capture Charlestown peninsula The Battle of Bunker Hill took place on June 17, 1775, mostly on and around Breed's Hill, during the Siege of Boston early in the American Revolutionary War. The battle is named after the adjacent Bunker Hill, which was peripherally involved in the battle and was the original objective of both colonial and British troops, and is occasionally referred to as the Battle of Breed's Hill.