Historical Marker
Westbrook World War II Monument
Historical marker location:
Westbrook, Connecticut
( Memorial is at the intersection of Boston Post Road (U.S. 1) and Essex Road (Connecticut Route 153), on the right when traveling west on Boston Post Road.)
The first recorded submarine attack in history occurred in Connecticut during the American Revolution. On September 6, 1776, the American submarine Turtle attempted to attach a bomb to a British ship in New York Harbor, but the mission was ultimately unsuccessful.