5h 52min, apr 19, 1775 y - Shots fired at Lexington and Concord. “Minute men” force British Troops back to Boston. George Washington takes command of the Continental army. This was important because it started the American Revolution. Also, with a strong leading general such as George Washington, that was another plus to the Patroit’s victory. So, (concisely) it was important because of a great leader and Genarl, George Washington, and that the the battles at Lexington and Concord started the American Revolution.