Gunn Memorial Library

Historical marker location:

5 Wykeham Road, Washington, Connecticut

( Marker is at the intersection of Wykeham Road and Green Hill Road (Connecticut Route 47), on the left when traveling west on Wykeham Road.)

Marker installed: 1908

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.