Historical Marker
Mark Twain
Historical marker location:
500 Main Street, Hartford, Connecticut
( Marker is on Main Street near Arch Street, on the right when traveling north.)
Marker installed: 1994
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.