The Battles of Lexington and Concord were the first military engagements of the American Revolutionary War. They were fought on April 19, 1775, in Middlesex County, Province of Massachusetts Bay, within the towns of Lexington, Concord, Lincoln, Menotomy, and Cambridge, near Boston. The battles marked the outbreak of open armed conflict between the Kingdom of Great Britain and its thirteen colonies in the mainland of British North America.
The cache is located at N34 31.286 w84 0x.418
X= the approximate number (in hundreds) of militiamen at Concord; plus 1