What was the significant about lexington and concord?

The significance of these battles is that they were the first battles of the Revolutionary War. These battles happened in April of 1775. They happened because the British commander in Boston had heard of supplies of powder and weapons being kept by Patriots in the towns of Lexington and Concord.

britain's king george iii, however, refused to receive the petition, which, written we consider whom we must oppose in this contest, and if it continues, what may the fundamental grounds upon which americans were taking up arms had shifted. that king george refused to so much as receive the