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

Chickasaw Nation, Indian Territory before Nov 6, 1860 - Apr 30, 1861
Creek Nation, Indian Territory before Nov 6, 1860 - Apr 30, 1861
Cherokee Nation, Indian Territory before Nov 6, 1860 - Jun 19, 1861
Choctaw Nation, Indian Territory before Nov 6, 1860 - Jul 12, 1861
Seminole Nation, Indian Territory before Nov 6, 1860 - Aug 1, 1861
Chickasaw Nation, CS Indian Territory Apr 30, 1861 - Jun 18, 1865
Creek Nation, CS Indian Territory Apr 30, 1861 - Jun 18, 1865
Cherokee Nation, CS Indian Territory Jun 19, 1861 - Apr 5, 1863
Choctaw Nation, CS Indian Territory Jul 12, 1861 - Jun 18, 1865
Seminole Nation, CS Indian Territory Aug 1, 1861 - Jun 18, 1865
Cherokee Nation, Indian Territory Feb 26, 1863 - after Jun 25, 1865
Chickasaw Nation, Indian Territory Jun 18, 1865 - after Jun 25, 1865
Choctaw Nation, Indian Territory Jun 18, 1865 - after Jun 25, 1865
Creek Nation, Indian Territory Jun 18, 1865 - after Jun 25, 1865
Seminole Nation, Indian Territory Jun 18, 1865 - after Jun 25, 1865

North Fork Village, CS treaty with the Creek Nation., Jul 10, 1861
North Fork Village, CS treaty with the Choctaw and Chickasaw Nations., Jul 12, 1861
Seminole Council House, CS treaty with the Seminole Nation., Aug 1, 1861
Wichita Agency, CS treaty with the Comanches and other tribes and bands., Aug 12, 1861
Wichita Agency, CS treaty with the Comanches of the Prairies and Staked Plain., Aug 12, 1861
CS Dept. Number Two expanded Tennessee Missouri Arkansas and the Indian Territory added, Sep 10, 1861
Park Hill, CS treaty with the Great Osage Tribe. , Oct 2, 1861
Park Hill, CS treaty with the Quapaw Tribe., Oct 4, 1861
Park Hill, CS treaty with the Seneca Tribe and the Tribe or Confederacy of Senecas and Shawnees., Oct 4, 1861
Tahlequah, CS treaty with the Cherokee Nation., Oct 7, 1861
Round Mountain, battle, Nov 19, 1861
CS Dept. of The Indian Territory created Indian Territory transferred from Dept. Number Two, Nov 22, 1861
Chusto-Talasah, engagement, Dec 9, 1861
Chustenahlah, battle, Dec 26, 1861

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 Mississippi transferred from Dept. Number One to Dept. Number Two Dept. Number One discontinued, May 26, 1862
Old Fort Wayne, battle, Oct 22, 1862

Cabin Creek, battle, Jul 1, 1863 - Jul 2, 1863
Honey Springs, battle, Jul 17, 1863

Middle Boggy Depot, battle, Feb 13, 1864
Indian Territory and Fort Smith Arkansas transferred from US Dept. of Kansas to Dept. of Arkansas, Apr 17, 1864

CS Trans Mississippi Dept. Surrendered, May 26, 1865
Doaksville, Stand Watie surrender of Indian Battalion, Jun 23, 1865