In Massachusetts, today is Patriot's Day. Patriots' Day (officially Patriots' Day in Massachusetts and Wisconsin and Patriot's Day in Maine ) is a civic holiday commemorating the anniversary of the Battles of Lexington and Concord on April 19, 1775. These were the first battles of the American Revolutionary War. It is observed on the third Monday in April in Massachusetts and Maine (once part of Massachusetts), and is a public school observance day in Wisconsin.
Battles of Lexington and Concord - The ride of Revere, Dawes, and Prescott triggered a flexible system of "alarm and muster" that had been carefully developed months before, in reaction to the colonists' impotent response to the Powder Alarm. This system was an improved version of an old network of widespread notification and fast deployment of local militia forces in times of emergency. Wikipedia, the free encyclopedia
After the Battles of Lexington and Concord: April 19, 1775 about 700 British Army regulars under Lt Col Francis Smith were given secret orders to capture and destroy military supplies reportedly stored by militia