Battles of Lexington and Concord
The battles were fought on April 19 , 1775 in Middlesex County , Province of Massachusetts Bay , within the towns of Lexington , Concord , Lincoln , Menotomy ( present-day Arlington ) , and Cambridge . 
<triplet> Middlesex County <subj> Cambridge <obj> contains administrative territorial entity <triplet> Lexington <subj> Middlesex County <obj> located in the administrative territorial entity <triplet> Concord <subj> Middlesex County <obj> located in the administrative territorial entity <triplet> Lincoln <subj> Middlesex County <obj> located in the administrative territorial entity <triplet> Menotomy <subj> Middlesex County <obj> located in the administrative territorial entity <triplet> Cambridge <subj> Middlesex County <obj> located in the administrative territorial entity