The Boston Massacre occurred on March 5, 1770, when British soldiers fired into a crowd of colonists who had been throwing snowballs at the soldiers. The British killed five, including the African American Crispus Attucks. | The Boston Massacre occurred on March 5, 1770, when British soldiers fired into a crowd of colonists who had been throwing snowballs at the soldiers. The British killed five, including the African American Crispus Attucks. |