Projection Showing Position of Bow and Keel of the Maine
USS Maine (ACR-1), the first ship of the United States Navy to be named for the state of Maine, was a 6,682-ton second-class pre-dreadnought battleship. The sinking of the Maine precipitated the Spanish-American War.
Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 2) (New York, NY: Harper and Brothers, 1912)