Question

what was lexington and concord

Answer 1

The Battles of Lexington and Concord were the first military engagements of the American Revolutionary War.[9][10] They 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, 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.

Answer 2

"the shot heard round the world" April 19, 1775. The first battle of the American Revolution even though the colonies did not declare war on Great Britian yet.