What was the Hunley and where was it found and when?

The H.L. Hunley was a Confederate submarine used during the American Civil War, notable for being the first combat submarine to successfully sink an enemy warship. It was found off the coast of Charleston, South Carolina, in 1995, after being lost during a mission in 1864. The submarine was discovered in the waters of Charleston Harbor, buried under sediment for over a century. Its recovery and subsequent preservation have provided valuable insights into early submarine technology and naval warfare.