Full title: Archaeologists uncover secrets of historic Revolutionary War battle site BOSTON – Archeologists using 21st-century technology are mapping out the exact spots British soldiers and Colonial militiamen were standing as they fired at each other during a pivotal skirmish on the first day of the American Revolution. Parker's Revenge, as the fight is known, occurred on April 19, 1775, after the battles of Lexington and Concord as the redcoats retreated to Boston. Capt. John Parker, commander of the 77-member Lexington militia, had met the 700-strong British column on the green at 5:30 a.m. Eight of his men were killed...