The Military Division of the Mississippi was an administrative division of the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

 that controlled all military operations in the Western Theater

Western Theater of the American Civil War

This article presents an overview of major military and naval operations in the Western Theater of the American Civil War.-Theater of operations:...

.

History

The Division was originally created by President

President of the United States

The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

 Abraham Lincoln

Abraham Lincoln

Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

 to reorganize the Union troops in the Western Theater after the serious Union defeat at the Battle of Chickamauga

Battle of Chickamauga

The Battle of Chickamauga, fought September 19–20, 1863, marked the end of a Union offensive in southeastern Tennessee and northwestern Georgia called the Chickamauga Campaign...

. Its first commander, "with his headquarters in the field," was Major General

Major General

Major general or major-general is a military rank used in many countries. It is derived from the older rank of sergeant major general. A major general is a high-ranking officer, normally subordinate to the rank of lieutenant general and senior to the ranks of brigadier and brigadier general...

 Ulysses S. Grant

Ulysses S. Grant

Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...

.

The Division was organized on October 16, 1863 to consist of the Departments of the Ohio, the Tennessee, and the Cumberland, which embraced all of the Union armies

Union Army

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 stationed between the Mississippi River

Mississippi River

The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

 and the Appalachian Mountains

Appalachian Mountains

The Appalachian Mountains #Whether the stressed vowel is or ,#Whether the "ch" is pronounced as a fricative or an affricate , and#Whether the final vowel is the monophthong or the diphthong .), often called the Appalachians, are a system of mountains in eastern North America. The Appalachians...

. On January 31, 1865, the Department of North Carolina was added. On February 10, 1865, the Department of Kentucky was added. On April 19, 1865, the portions of the Department of North Carolina that were not occupied by William T. Sherman at the time were transferred to the Military Division of the James. The Division was reconstituted on June 27, 1865 to include the Departments of the Ohio

Department of the Ohio

The Department of the Ohio was an administrative military district created by the United States War Department early in the American Civil War to administer the troops in the Northern states near the Ohio River.General Orders No...

, the Missouri, and Arkansas. The Department of the Platte

Department of the Platte

The Department of the Platte was a military administrative district established by the U.S. Army on March 5, 1866, with boundaries encompassing Iowa, Nebraska, Dakota Territory, Utah Territory and a small portion of Idaho...

 was added on March 26, 1866. The Military Division of the Mississippi was discontinued on August 6, 1866.

The Division of the Mississippi was victorious at the Battle of Chattanooga in November 1863, effectively routing the Confederate

Confederate States Army

The Confederate States Army was the army of the Confederate States of America while the Confederacy existed during the American Civil War. On February 8, 1861, delegates from the seven Deep South states which had already declared their secession from the United States of America adopted the...

 armies in Tennessee

Tennessee

Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...

. When General Grant was called East by Lincoln to command all the Union armies, he was succeeded as head of the Division by Maj. Gen. William Tecumseh Sherman

William Tecumseh Sherman

William Tecumseh Sherman was an American soldier, businessman, educator and author. He served as a General in the Union Army during the American Civil War , for which he received recognition for his outstanding command of military strategy as well as criticism for the harshness of the "scorched...

. Under Sherman, the Division invaded the state of Georgia

Georgia (U.S. state)

Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

, capturing Atlanta

Atlanta Campaign

The Atlanta Campaign was a series of battles fought in the Western Theater of the American Civil War throughout northwest Georgia and the area around Atlanta during the summer of 1864. Union Maj. Gen. William T. Sherman invaded Georgia from the vicinity of Chattanooga, Tennessee, beginning in May...

 in September 1864 and then marching to the port of Savannah

Sherman's March to the Sea

Sherman's March to the Sea is the name commonly given to the Savannah Campaign conducted around Georgia from November 15, 1864 to December 21, 1864 by Maj. Gen. William Tecumseh Sherman of the Union Army in the American Civil War...

. As commander of the Division, General Sherman issued his Special Field Orders, No. 15

Sherman's Special Field Orders, No. 15

Special Field Orders, No. 15 were military orders issued during the American Civil War, on January 16, 1865, by General William Tecumseh Sherman, commander of the Military Division of the Mississippi of the United States Army...

 in January 1865. He then led the march through the Carolinas

Carolinas Campaign

The Carolinas Campaign was the final campaign in the Western Theater of the American Civil War. In January 1865, Union Maj. Gen. William Tecumseh Sherman advanced north from Savannah, Georgia, through the Carolinas, with the intention of linking up with Union forces in Virginia. The defeat of ...

 that culminated with the successful Battle of Bentonville

Battle of Bentonville

At 3 p.m., Confederate infantry from the Army of Tennessee launched an attack and drove the Union left flank back in confusion, nearly capturing Carlin in the process and overrunning the XIV Corps field hospital. Confederates under Maj. Gen. D.H. Hill filled the vacuum left by the retreating...

 and the surrender in April 1865, by General Joseph E. Johnston

Joseph E. Johnston

Joseph Eggleston Johnston was a career U.S. Army officer, serving with distinction in the Mexican-American War and Seminole Wars, and was also one of the most senior general officers in the Confederate States Army during the American Civil War...

, of all the Confederate armies in the Carolinas, Georgia, and Florida.

Command history

Commander	From	To	Major Battles, Campaigns
Major General Ulysses S. Grant Ulysses S. Grant Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...	October 16, 1863 (assumed October 18)	March 18, 1864	Battle of Chattanooga
Major General William T. Sherman	March 18, 1864	August 6, 1866	Atlanta Campaign Atlanta Campaign The Atlanta Campaign was a series of battles fought in the Western Theater of the American Civil War throughout northwest Georgia and the area around Atlanta during the summer of 1864. Union Maj. Gen. William T. Sherman invaded Georgia from the vicinity of Chattanooga, Tennessee, beginning in May... , Savannah Campaign Sherman's March to the Sea Sherman's March to the Sea is the name commonly given to the Savannah Campaign conducted around Georgia from November 15, 1864 to December 21, 1864 by Maj. Gen. William Tecumseh Sherman of the Union Army in the American Civil War... , Carolinas Campaign Carolinas Campaign The Carolinas Campaign was the final campaign in the Western Theater of the American Civil War. In January 1865, Union Maj. Gen. William Tecumseh Sherman advanced north from Savannah, Georgia, through the Carolinas, with the intention of linking up with Union forces in Virginia. The defeat of ... , Franklin-Nashville Campaign Franklin-Nashville Campaign The Franklin-Nashville Campaign, also known as Hood's Tennessee Campaign, was a series of battles in the Western Theater, conducted from September 18 to December 27, 1864, in Alabama, Tennessee, and northwestern Georgia during the American Civil War. The Confederate Army of Tennessee under Lt....