CivWarArtMusic
War · Theatres of the Civil War · 3 of 4

Trans-Mississippi

1861–1865 · Missouri · Arkansas · Louisiana · the far frontier
Battle of Pea Ridge · Kurz & Allison · public domain
4 years
Span
7
Battles
29k
Dead
vs
Union
Army of the Frontier & Dept. of the Missouri
peak: ~40k
LyonCurtisBanksCanby
Confederacy
Trans-Mississippi Department
peak: ~45k
PriceVan DornHindmanKirby Smith
Casualties (est.)
33,000 total
16,000 Union
13,000 Confederacy
4,000 Civilian
Commanders
N. Lyon
Cmdr., Army of the West (KIA ’61)
S. R. Curtis
Victor at Pea Ridge
E. Kirby Smith
Cmdr., Trans-Miss. Dept.
S. Price
Maj. Gen., Missouri
E. Van Dorn
Cmdr., Army of the West
Geography
Mississippi R.Missouri R.NEW MEXICO TERR.INDIAN TERR.TEXASKANSASLA.MISSOURIARKANSASWestportWilson's CreekPea RidgeIsland No. TenMansfieldPort HudsonGlorieta PassSt. LouisShreveport
The war west of the Mississippi sprawled from the Missouri border fights to the New Mexico desert. Union control of the river — Island No. Ten, Port Hudson — sealed the theatre off, while the Confederate Trans-Mississippi held out from Shreveport to the very end.
Campaigns across the war
7 here · others for context
Apr 1861
· Naval theatre
Fort Sumter · Charleston, SC
Jul 1861
· Eastern theatre
First Bull Run · Manassas, VA
Aug 1861
Wilson's Creek · Springfield, MO
Read →
Feb 1862
· Western theatre
Fort Donelson · Dover, TN
Mar 1862
Pea Ridge · Benton Co., AR
Read →
Mar 1862
Glorieta Pass · New Mexico Terr.
Read →
Apr 1862
· Western theatre
Shiloh · Pittsburg Landing, TN
Apr 1862
Island Number Ten · Mississippi River, MO
Read →
Apr 1862
· Naval theatre
Forts Jackson & St. Philip · Mississippi River, LA
May 1862
· Eastern theatre
First Winchester · Winchester, VA
Jun 1862
· Eastern theatre
Gaines' Mill · Hanover Co., VA
Jul 1862
· Eastern theatre
Malvern Hill · Henrico Co., VA
Aug 1862
· Eastern theatre
Second Bull Run · Manassas, VA
Sep 1862
· Eastern theatre
Antietam · Sharpsburg, MD
Oct 1862
· Western theatre
Corinth · Corinth, MS
Oct 1862
· Western theatre
Perryville · Perryville, KY
Dec 1862
· Eastern theatre
Fredericksburg · Fredericksburg, VA
Dec 1862
· Western theatre
Stones River · Murfreesboro, TN
May 1863
· Eastern theatre
Chancellorsville · Spotsylvania Co., VA
May 1863
· Western theatre
Champion Hill · Hinds Co., MS
Jul 1863
· Eastern theatre
Gettysburg · Adams Co., PA
May–Jul 1863
· Western theatre
Vicksburg · Vicksburg, MS
May–Jul 1863
Port Hudson · Port Hudson, LA
Read →
Sep 1863
· Western theatre
Chickamauga · Catoosa Co., GA
Nov 1863
· Western theatre
Lookout Mountain · Chattanooga, TN
Nov 1863
· Western theatre
Missionary Ridge · Chattanooga, TN
Apr 1864
Mansfield · De Soto Parish, LA
Read →
May 1864
· Eastern theatre
The Wilderness · Spotsylvania Co., VA
May 1864
· Eastern theatre
Spotsylvania Court House · Spotsylvania Co., VA
Jun 1864
· Eastern theatre
Cold Harbor · Hanover Co., VA
Jun 1864
· Eastern theatre
Second Petersburg · Petersburg, VA
Jul 1864
· Eastern theatre
The Crater · Petersburg, VA
Aug 1864
· Naval theatre
Mobile Bay · Mobile, AL
Sep 1864
· Eastern theatre
Opequon · Winchester, VA
Sep 1864
· Western theatre
Jonesborough · Jonesboro, GA
Oct 1864
· Eastern theatre
Cedar Creek · Shenandoah Valley, VA
Oct 1864
Westport · Kansas City, MO
Read →
Nov 1864
· Western theatre
Franklin · Franklin, TN
Dec 1864
· Western theatre
Nashville · Nashville, TN
Jan 1865
· Naval theatre
Second Fort Fisher · Wilmington, NC
Mar 1865
· Eastern theatre
Fort Stedman · Petersburg, VA
Mar 1865
· Western theatre
Bentonville · Bentonville, NC
Apr 1865
· Eastern theatre
Five Forks · Dinwiddie Co., VA
Apr 1865
· Eastern theatre
Third Petersburg · Petersburg, VA
Apr 1865
· Eastern theatre
Appomattox Court House · Appomattox Co., VA
Apr 1865
· Western theatre
Fort Blakeley · Baldwin Co., AL