Category:Campaigns of the Trans-Mississippi Theater of the American Civil War

1861

 * Operations to control Missouri (June–October 1861)
 * Confederate occupation of New Mexico (July–September 1861)
 * Operations in Indian Territory, or the "Trail of Blood on Ice" (November–December 1861)
 * Operations in Northeast Missouri (December 1861)

1862

 * Sibley's New Mexico Campaign (February–March 1862)
 * Operations on the White River: Battle of Saint Charles (June 1862)
 * Operations Near Cache River, Arkansas: Battle of Cotton Plant (July 1862)
 * Operations North of Boston Mountains (August–November 1862)
 * Operations to suppress the Sioux Uprising: Battles of the Dakota War (August–September 1862)
 * Operations to blockade the Texas Coast (September 1862–January 1863)
 * Prairie Grove Campaign (November 1862)
 * Operations against Galveston: Battle of Galveston (December 1862–January 1863)

1863

 * Marmaduke's First Expedition into Missouri (January 1863)
 * Marmaduke's Second Expedition into Missouri (April–May 1863)
 * Operations to control Indian Territory (June–September 1863)
 * Operations against the Sioux in North Dakota (July 1863)
 * Advance on Little Rock (September–October 1863)

1864

 * Red River campaign (March–April 1864)
 * Camden Expedition (April 1864)
 * Price's Missouri Expedition (September–October 1864)