On the night of April 18, 1775, hundreds of British troops marched from Boston to nearby Concord in order to seize an arms cache. Paul Revere and other riders sounded the alarm, and colonial militiamen began mobilizing to intercept the Redcoat column. A confrontation on the Lexington town green started off the fighting, and soon the British were hastily retreating under intense fire.
I believe that historians have found artifacts that the Indus Valley Civilization made in the area the Sumerians were. There also might have been written evidence.
