September 16, 1861
- Union reinforcements sent to Lexington were captured en route by the Confederates who knew their movements beforehand.
- Committee of Naval Constructors recommends three plans for building ironclads, Galena, Ironsides, and Monitor
A Chronological History of the Civil War in America1
- Ship Island evacuated by the C. S. forces and occupied by Union troops.
- Camp Talbot, Mo., captured by Union troops.
- Rebels under Gen. Price commenced the bombardment of Lexington, Mo.
- A Chronological History of the Civil War in America by Richard Swainson Fisher, New York, Johnson and Ward, 1863