There it boarded the Transport Rosecrans and arrived at Nagasaki on 4 December, then continuing on to Manila, arriving on 13 December.

His strategic movements then caused Bragg to abandon the critical city of Chattanooga, but Rosecrans's pursuit of Bragg ended during the bloody Battle of Chickamauga, where his unfortunately worded order mistakenly opened a gap in the Union line and Rosecrans and a third of his army were swept from the field.

Rosecrans then prevented, by " much maneuvering but little fighting ," Confederate Brig.

On June 2, Halleck telegraphed that if Rosecrans was unwilling to move, some of his troops would be sent to Mississippi to reinforce Grant, who by then was besieging Vicksburg, but was potentially threatened by the army of Joseph E. Johnston to his rear.

The route began at the Cabrillo National Monument and passed through Fort Rosecrans Military Reservation and Fort Rosecrans National Cemetery, then through the neighborhood of Point Loma via Catalina Boulevard, Cañon Street, and Rosecrans Street.

The Confederates hoped to seize Corinth from an unexpected direction, isolating Rosecrans from reinforcements, and then sweep into Middle Tennessee.

To address the continued dispute over whether to advance, Rosecrans called a war council of his generals ; 10 of the 15 were opposed to the move, with Garfield voting in favor.

Nevertheless Garfield, in an unusual move, drew up a report of the council's deliberations, and thus convinced Rosecrans to proceed with an advance against Bragg.

General-in-chief Maj. Gen. Henry W. Halleck and President Abraham Lincoln were insistent that Rosecrans move quickly to take Chattanooga.

A primary concern of the government was that if Rosecrans continued to sit idly, the Confederates might move units from Bragg's army in an attempt to relieve the pressure that Union Maj. Gen. Ulysses S. Grant was applying to Vicksburg, Mississippi.

" Rosecrans offered an excuse that if he started to move against Bragg, Bragg would likely relocate his entire army to Mississippi and threaten Grant's Vicksburg Campaign even more ; thus, by not attacking Bragg, he was helping Grant.

" Seven days later, early in the morning of June 24, Rosecrans reported that the Army of the Cumberland began to move against Bragg.

The action at Hartsville, a crossing point on the Cumberland River about 40 miles upstream from Nashville, north of Murfreesboro, was an incident in Morgan's raid to the north, before Rosecrans had the bulk of his infantry forces on the move.

General-in-chief Maj. Gen. Henry W. Halleck and President Abraham Lincoln were insistent that Rosecrans move quickly to take Chattanooga.

Garfield conceived a plan to conduct a cavalry raid behind Bragg's line ( similar to that Bragg was employing against Rosecrans ) which Rosecrans approved ; the raid, led by Abel Streight, failed, due in part to poor execution and weather.

He replaced Maj. Gen. Don Carlos Buell with Maj. Gen. William S. Rosecrans, hoping for a more aggressive posture against the Confederates in Tennessee.

After Union Maj. Gen. William S. Rosecrans was defeated at the Battle of Chickamauga, Burnside was pursued by Lt. Gen. James Longstreet, against whose troops he had battled at Marye's Heights.

The Confederate War Department asked Bragg in early August if he could assume the offensive against Rosecrans if he were given reinforcements for Mississippi.

In 1863, he fought a series of battles against Maj. Gen. William S. Rosecrans and the Union Army of the Cumberland.

Gen. Louis Blenker's division ( Frémont's department ) in the Valley, and Rosecrans became intimately involved in the political and command confusion in the campaign against Jackson in the Valley.

Moving into position on the afternoon of September 10, Rosecrans advanced against Floyd's campsite and attacked.

On June 23, 1863, Rosecrans deployed forces to feign an attack on Shelbyville while massing forces against Bragg's right.

Lincoln wrote to Rosecrans, " I would not push you to any rashness, but I am very anxious that you do your utmost, short of rashness, to keep Bragg from getting lost to help Johnston against Grant.

It was Rosecrans ' mistaken decision to pull Thomas Wood's division of this corps to support George Thomas's XIV Corps that resulted in General James Longstreet's breakthrough against the Union center.

The Confederate War Department asked Bragg in early August if he could assume the offensive against Rosecrans if he were given reinforcements for Mississippi.

After an afternoon of fighting, entirely by Rosecrans's men, the Confederates withdrew from Iuka on a road that had not been blocked by the Union army, marching to rendezvous with Confederate Maj. Gen. Earl Van Dorn, with whom they would soon fight the Second Battle of Corinth against Rosecrans.

In the early spring of 1863, Longstreet suggested to Lee that his corps be detached from the Army of Northern Virginia and sent to reinforce the Army of Tennessee, where Gen. Braxton Bragg was being challenged in Middle Tennessee by Union Maj. Gen. William S. Rosecrans, Longstreet's roommate at West Point.

Longstreet argued that a reinforced army under Bragg could defeat Rosecrans and drive toward the Ohio River, which would compel Grant to break his hold on Vicksburg.

Bragg had already begun an unsuccessful attempt to interpose his army between Rosecrans and Chattanooga before the arrival of Longstreet's corps.

Again frustrated with Buell's ineffective pursuit of Bragg, the Union replaced him with Maj. Gen. William Rosecrans.

Fighting under Rosecrans, commanding the " Center " wing of the newly renamed Army of the Cumberland, Thomas gave an impressive performance at the Battle of Stones River, holding the center of the retreating Union line and once again preventing a victory by Bragg.

The battle was fought between the Union Army of the Cumberland under Maj. Gen. William Rosecrans and the Confederate Army of Tennessee under Gen. Braxton Bragg, and was named for West Chickamauga Creek, which meanders near the battle area in northwest Georgia ( and ultimately flows into the Tennessee River about 3. 5 miles ( 5. 6 km ) northeast of downtown Chattanooga ).

In his successful Tullahoma Campaign in the summer of 1863, Rosecrans moved southeast from Murfreesboro, Tennessee, outmaneuvering Bragg and forcing him to abandon Middle Tennessee and withdraw to the city of Chattanooga, suffering only 569 Union casualties along the way.

Bragg withdrew his forces from advanced positions around Bridgeport, which left Rosecrans free to maneuver on the northern side of the Tennessee River.

Commanding generals Rosecrans and Bragg

On the second day of the Battle of Chickamauga, September 20, 1863, Rosecrans was shifting Sheridan's division behind the Union battle line when Bragg launched an attack into a gap in the Union line.

Aware that Rosecrans was receiving reinforcements, Bragg chose to withdraw his army on January 3 to Tullahoma, Tennessee.

Polk fought under Bragg at the Battle of Stones River in late 1862 and once again Bragg's subordinates politicked to remove their army commander after an unsuccessful battle ( the battle was tactically inconclusive, but Bragg was unable to stop the advance of the Union Army of the Cumberland under Maj. Gen. William S. Rosecrans and Bragg withdrew his army to Tullahoma, Tennessee ).

Rosecrans eventually maneuvered Bragg out of Chattanooga and the Army of Tennessee withdrew into the mountains of northwestern Georgia with the Army of the Cumberland in hot pursuit.

On December 31, 1862, the Confederate forces under Gen. Braxton Bragg delivered a devastating assault that caught Rosecrans by surprise and drove his forces back three miles ( 5 km ), leaving their backs to the Stones River.

Although slowed by rain, Rosecrans moved on, forcing Bragg to retreat from his defensive line and fall back to Tullahoma.

The Union Army of the Cumberland, commanded by Maj. Gen. William Rosecrans, outmaneuvered the Confederate Army of Tennessee, commanded by General Braxton Bragg, from a strong defensive position, driving the Confederates from Middle Tennessee and threatening Chattanooga.