World History Maps Interactive Historical Atlas of the Civil War, detail page for:

Arkansas, State before Nov 6, 1860 - May 6, 1861
Arkansas, Seceded State May 6, 1861 - May 18, 1861
Arkansas, CS State May 18, 1861 - Sep 10, 1863
Arkansas, CS State Sep 10, 1863 - Apr 18, 1864
Arkansas, Occupied State Jan 20, 1864 - after Jun 25, 1865

Elias N. Conwnay US Governor, before Nov 6, 1860 - Nov 16, 1860
Arkansas election results: Douglas 5357 9.9%, Bell 20063 37%, Breckinridge 28732 53.1%, Nov 6, 1860
Henry M. Rector US/CS Governor, Nov 16, 1860 - Nov 4, 1862

Arkansas seceded from the Union, May 6, 1861
CS Dept. Number Two created included areas adjacent to the Tennessee and Mississippi rivers, Jun 25, 1861
CS Dept. Number Two boundaries defined, Jul 4, 1861
CS Dept. Number Two expanded Tennessee Missouri Arkansas and the Indian Territory added, Sep 10, 1861

Pea Ridge, battle, Mar 6, 1862 - Mar 8, 1862
CS Trans Mississippi Dept. created Arkansas transferred from Dept. Number Two Dept. of Texas discontinued and absorbed Dept. of The Indian Territory discontinued and absorbed western Louisiana transferred from Dept. Number One eastern Louisiana and Missis, May 26, 1862
Saint Charles, engagement, Jun 17, 1862
Hills Plantation Cache River, action, Jul 7, 1862
John S. Phelps US Military Governor, Jul 19, 1862 - Jul 9, 1863
Operations against Vicksburg, Oct 31, 1862 - Jan 10, 1863
Thomas Fletcher CS Acting Governor, Nov 4, 1862 - Nov 15, 1862
Harris Flanagin CS Governor, Nov 15, 1862 - Apr 18, 1864
Cane Hill, engagement, Nov 28, 1862
Prairie Grove, battle, Dec 7, 1862

Vicksburg Campaign, Jan 10, 1863 - Jul 4, 1863
Chalk Bluff, battle, May 1, 1863 - May 2, 1863
Helena, battle, Jul 4, 1863
Devils Backbone, battle, Sep 1, 1863
Bayou Forche, battle, Sep 10, 1863
Arkansas Post, battle, Oct 9, 1863 - Oct 11, 1863
Pine Bluff, action, Oct 25, 1863

US Dept. of Arkansas created Arkansas except Fort Smith transferred from Dept. of The Missouri, Jan 6, 1864
Isaac Murphy US Provisional Governor, Jan 20, 1864 - Apr 18, 1864
Elkins Ferry, battle, Apr 3, 1864 - Apr 4, 1864
Prairie DAne, battle, Apr 11, 1864 - Apr 13, 1864
Indian Territory and Fort Smith Arkansas transferred from US Dept. of Kansas to Dept. of Arkansas, Apr 17, 1864
Poison Spring, battle, Apr 18, 1864
Isaac Murphy US Governor, Apr 18, 1864 - after Jun 25, 1865
Marks Mills, battle, Apr 25, 1864
Jenkins Ferry, engagement, Apr 30, 1864
Old River Lake, engagement, Jun 6, 1864

CS Trans Mississippi Dept. Surrendered, May 26, 1865