The correct answer is D) the Battle of Little Big Horn.
The battle that is not associated with the War of 1812 is the Battle of Little Big Horn.
This battle was fought on June 25, 1876, in Little Big Horn River in the Montana territory. General George Custer and the 7th of Cavalry fought the Cheyenne and the Lakota Sioux commanded by Chief Crazy Horse and Sitting Bull. As many as three thousand Indians were fighting against 200 cavalrymen. Custer and his men were killed in the battle.