Tags: Military Structure.
Fort Stevens was part of the extensive fortifications built around Washington D.C. during the American Civil War. It was constructed in 1861 as Fort Massachusetts and later enlarged by the Union Army and renamed Fort Stevens after Brig. Gen. Isaac Ingalls Stevens who was killed at the Battle of Chantilly Virginia on September 1 1862.The fort came under direct Confederate attack by troops led by Maj. Gen. Jubal Early in the Battle of Fort Stevens on July 11 and July 12 1864.