In June 1775, colonial patriots in Boston got wind of a British plan to occupy the hills outside the city, which would give the redcoats control of Boston Harbor. British troops occupied the city, but control of the surrounding hills would give the rebels the ability to lay siege to Boston and force the British occupiers out, so they took control of those hills and began to build fortifications. The main defenses were on the hill closest to the city, Breed's Hill. Once the colonials began...