Confederate States Army from other causes such as accidents, which would add several thousand to the death toll. The main Confederate armies, the Army of Northern Virginia under General Robert E. Lee and the remnants of the Army of Tennessee and various other units under General Joseph E. Johnston, surrendered to the U.S. on April 9, 1865 (officially April 12), and April 18, 1865 (officially April 26). Other Confederate forces surrendered between April 16, 1865 and June 28, 1865. By the end of the war, more than 100,000 Confederate soldiers had deserted, and some estimates put the number as high as one third
Joseph E. Johnston of Davis's counterargument was that Johnston's U.S. commission as a brigadier general was as a staff officer and that his highest line commission was as a lieutenant colonel; both Sidney Johnston and Lee had been full colonels. Johnston sent an intemperately worded letter to Davis, who was offended enough to discuss its tone with his cabinet. Johnston was placed in command of the Department of the Potomac and the Confederate Army of the Potomac on July 21, 1861, and the Department of Northern Virginia on October 22. From July to November 1861, he was headquartered at the Conner House in