Yes, Patriots' Day is an official state holiday in Massachusetts, and consequently in the city of Boston. Observed annually on the third Monday of April, it legally commemorates the anniversary of the Battles of Lexington and Concord on April 19, 1775, the initial armed conflicts of the American Revolutionary War. This observance is exclusive to Massachusetts and Maine, making it a distinct regional holiday rather than a national one.
As a public holiday, state, county, and municipal government offices, along with public schools and libraries in Boston, are closed. Many private businesses also choose to close or operate on a reduced schedule. However, because it is not a federal holiday, federal entities, including the U.S. Postal Service, remain open and operational. The day is marked by significant cultural and sporting events, most notably the running of the Boston Marathon, which has been held on this day since 1897. The Boston Red Sox also traditionally play a home baseball game at Fenway Park with an early morning start time.
The practical implication of this holiday is a city-wide atmosphere of celebration combined with significant logistical disruptions. While it serves as a day of historical remembrance, its modern identity in Boston is deeply intertwined with the marathon and other civic festivities. For residents and visitors, the day involves widespread road closures, particularly along the marathon route, and alterations to public transportation schedules. It is a unique observance that reflects the region's specific historical and cultural identity.