The Battle of Lexington and Concord was the first battle of the Revolutionary War. British troops were marching to Concord to capture American supplies. The militia fought them and they were chased back to Boston.
American Revolution: Battle of Lexington and Concord ~History Channel~ "If you mean to have a war, let it begin here." (Captain John Parker) No one knows who shot the first shot.but it was "THE SHOT HEARD ROUND THE WORLD.