American Civil War battles

Today we catch up on a backlog of American Civil War battles:
The Union capture of Ship Island, 17 September 1861, gave the US Navy a useful base on the Gulf Coast
The Battle of Port Royal, 7 November 1861, was a major Union victory early in the American Civil War that demonstrated how difficult it would be for the Confederacy to defend its coastline
The Battle of Pea Ridge, or Elkhorn Tavern, 7-8 March 1862, was the biggest battle fought west of the Mississippi during the American Civil War.
The Battle of Island No. 10, 7 April 1862, was a Union victory that further reduced Confederate control of the Mississippi river
The Battle of South Mountain, 14 September 1862, was a delaying action that helped Robert E. Lee unite his army to fight at Antietam
The Battle of Old Fort Wayne, 22 October 1862, saw the defeat of a pro-Confederate Native American army.
The Siege of Lexington, 18-20 September 1862, was the high point of Confederate success in Missouri.
The Battle of Prairie Grove, 7 December 1862, was a minor Federal victory in north western Arkansas that effectively ended a period of campaigning in that part of the state
The Battle of Helena, Arkansas, 4 July 1863, was an unsuccessful Confederate counterattack aimed at relieving the pressure on Vicksburg
The Battle of Pine Bluff, 25 October 1863, was a minor cavalry battle in the aftermath of the Federal capture of Little Rock, Arkansas
The Action of the Rappahannock Redoubts, 7 November 1863, was a minor battle in the aftermath of Gettysburg
The Battle of Sabine Crossroads, 8 April 1864, was the first of two battles that ended any chance of Union success in the Red River campaign
The Battle of Pleasant Hill, 9 April 1864 was the second of two battles in two days that ended any chance of success for the Red River campaign
The Second Battle of Kernstown, 23 July 1864, was a minor Confederate victory in the Shenandoah Valley