H. L. Hunley, also known as the Hunley, CSS H. L. Hunley, or CSS Hunley, was a submarine of the Confederate States of America that played a small part in the American Civil War. Hunley demonstrated the advantages and dangers of undersea warfare.

The Hunley became the world’s first successful combat submarine in 1864 and then mysteriously vanished. She was located in 1995 by New York Times best selling author Clive Cussler and was raised from the ocean floor in 2000.

H.L. Hunley, Confederate submarine that operated (1863–64) during the American Civil War and was the first submarine to sink (1864) an enemy ship, the Union vessel Housatonic.

2023年4月7日 · This hand-powered submarine was used in a failed attempt to sink the British ship HMS Eagle in New York Harbor in 1776. Nearly one hundred years later the HL Hunley, a submarine built by the Confederate States of America, would become the first to sink an enemy vessel during the American Civil War.

On February 17th, 1864, the H. L. Hunley became the first successful combat submarine in world history with the sinking of the USS Housatonic. After completing her mission, she mysteriously vanished and remained lost at sea for over a century.