Indiana 31st Infantry (Union)
1861-09-15
Organized - Indiana 31st Infantry - Indiana
1862-02-11
Battle - Fort Donelson - Fort Donelson, Tennessee
Early in the war, Union commanders realized control of the major rivers would be the key to success in the Western Theater.READ MORE
1862-04-06
Leadership Change - Regiment - Colonel Charles Cruft, and Lieutenant Colonel John Osborn
ColonelCharles Cruft
Lieutenant ColonelJohn Osborn
1862-04-06
Leadership Change - Brigade - Brigadier General Jacob G. Lauman
Brigadier GeneralJacob G. Lauman
1862-04-06
Leadership Change - Division - Brigadier General Stephen A. Hurlbut
Brigadier GeneralStephen A. Hurlbut
1862-04-06
Leadership Change - Regiment - Colonel Charles Cruft
ColonelCharles Cruft
1862-04-06
Battle - Shiloh - Hardin County, Tennessee
1862-04-29
Leadership Change - Regiment - Lieutenant Colonel John Osborn
Lieutenant ColonelJohn Osborn
1862-04-29
Leadership Change - Brigade - Brigadier General Mahlon D. Manson, and Colonel Thomas D. Sedgewick until 30 May
Brigadier GeneralMahlon D. Manson
1862-04-29
Leadership Change - Division - Major General William "Bull" Nelson
Major GeneralWilliam "Bull" Nelson
1862-04-29
Battle - Siege of Corinth - Corinth, Mississippi
Union forces had captured the railroad junction and important transportation center at Corinth, Mississippi in the spring of 1862 after their victory at Shiloh. After the Battle of Iuka in September, Maj. Gen. Sterling Price's Confederate Army of the West marched to Ripley, Mississippi where it joined Maj. Gen. Earl Van Dorn's Army of West Tennessee. Van Dorn took command of the combined force numbering about 22,000 men. The Rebels marched southeast toward Corinth, hoping to recapture it and then sweep int…READ MORE
1862-10-08
Leadership Change - Regiment - Colonel John Osborn
ColonelJohn Osborn
1862-10-08
Leadership Change - Brigade - Brigadier General Charles Cruft
Brigadier GeneralCharles Cruft
1862-10-08
Leadership Change - Division - undefined 27 guns k-0 w-0 m-0 = 0, undefined 2nd Kentucky Cavalry : Ltc Thomas Cochran, Brigadier General William Sooy Smith, and undefined Escort:
1862-10-08
Leadership Change - Division - undefined 2nd Kentucky Cavalry : Ltc Thomas Cochran
1862-10-08
Battle - Perryville - Perryville, Kentucky
On October 7, 1862, Maj. Gen. Don Carlos Buell's Army of the Ohio, in pursuit of Gen Braxton Bragg's Army of Mississippi, approached the crossroads town of Perryville, Kentucky. Union forces skirmished with Confederates on the Springfield Pike before heavy fighting began on Peters Hill. The next day, fighting continued as a Union division advanced up the pike. After noon, a Confederate division struck the Union left flank and forced it to fall back. When more Confederates joined the fray, the Union line ma…READ MORE
1862-12-31
Leadership Change - Division - Brigadier General John M. Palmer
Brigadier GeneralJohn M. Palmer
1862-12-31
Battle - Stones River - Murfreesboro, Tennessee
After his October 1862 defeat at Perryville in Kentucky, Gen. Braxton Bragg withdrew his army into middle Tennessee and resupplied his men near Murfreesboro.READ MORE
1863-09-19
Leadership Change - Regiment - Colonel John T. Smith
ColonelJohn T. Smith
1863-09-19
Leadership Change - Division - Major General John M. Palmer
Major GeneralJohn M. Palmer
1863-09-19
Battle - Chickamauga - Catoosa County, Georgia; Walker County, Georgia
After the successful Tullahoma Campaign, Maj. Gen. William Rosecrans continued the Union offensive, aiming to force Gen. Braxton Bragg's Confederate army out of Chattanooga. Through a series of skillful marches towards the Confederate-held city, Rosecrans forced Bragg out of Chattanooga and into Georgia. Determined to reoccupy the city, Bragg followed the Federals north, brushing with Rosecrans' army at Davis' Cross Roads. While they marched on September 18th, his cavalry and infantry skirmished with Un…READ MORE
1864-05-07
Battle - Rocky Face Ridge - Whitfield County, Georgia
During early May 1864, Maj. Gen. William T. Sherman would successfully outmaneuver the army of Gen. Joseph E. Johnston in multiple battles in northwest Georgia. Each time, Johnston would fall back to a new defensive position closer to the strategic Confederate city of Atlanta. By May 7th, Johnston had entrenched his army on the long, high mountain of Rocky Face Ridge and eastward across Crow Valley. As Sherman approached, he decided to demonstrate against the position with two columns to the north while he…READ MORE
1864-05-13
Battle - Resaca - Gordon County, Georgia; Whitfield County, Georgia
Following his withdrawal from Rocky Face Ridge, the first battle in Maj. Gen. William T. Sherman's campaign against Atlanta, Confederate Gen. Joseph E. Johnston established a four-mile defensive position protecting the Western & Atlantic Railroad west and north of Resaca, where the railroad crossed the Oostanaula River. On May 13th, Sherman tested the Rebel lines, sending forward divisions to skirmish with the Confederates, with little substantive result. On the 14th, the fighting erupted into a full-…READ MORE
1864-05-27
Battle - Dallas - Paulding County, Georgia
During early and mid-May 1864, Maj. Gen. William T. Sherman successfully outmaneuvered the army of Gen. Joseph E. Johnston in multiple battles in northwest Georgia. Each time, Johnston fell back to a new defensive position closer to the strategic Confederate city of Atlanta. Stopped at New Hope Church on Johnston's left on May 26th, Sherman attacked Johnston's right at Pickett's Mill on May 27th. The next day, Lt. Gen. William J. Hardee's corps probed the Union defensive line, held by Maj. Gen. John A. Log…READ MORE
1864-06-27
Battle - Kennesaw Mountain - Cobb County, Georgia
Fearing envelopment northwest of Atlanta, Confederate Gen. Joseph E. Johnston withdrew his army to a new defensive position astride Kennesaw Mountain near Marietta. Johnston selected this position in order to protect the Western & Atlantic Railroad, his supply link to Atlanta. Prior to taking up this new line on June 19th, Johnston had pioneers working through the night digging trenches and erecting fortifications, turning Kennesaw into a formidable earthen fortress. Having defeated Lieut. Gen. John…READ MORE
1864-07-20
Leadership Change - Brigade - Colonel Isaac M. Kirby
ColonelIsaac M. Kirby
1864-07-20
Leadership Change - Division - Major General David S. Stanley
Major GeneralDavid S. Stanley
1864-07-20
Battle - Peachtree Creek - Fulton County, Georgia
Weary of Gen. Joseph E. Johnston's pattern of retreat through northwest Georgia in the face of Maj. Gen. William T. Sherman's advancing armies, President Jefferson Davis removed him from command of the Army of Tennessee, replacing him with Lieut. Gen. John B. Hood. On July 20th, Hood determined to take the fight to the enemy by setting upon an isolated portion of Sherman's forces in front of Atlanta. Hood's target would be the Union corps of Maj. Gens. Oliver O. Howard and Joseph Hooker from Maj. Gen. Geo…READ MORE
1864-07-22
Battle - Atlanta - Fulton County, Georgia; DeKalb County, Georgia
Despite the defeat at Peach Tree Creek, Confederate Lieut. Gen. John Bell Hood still had hopes of driving Maj. Gen. William T. Sherman's Yankees from the outskirts of Atlanta with an offensive blow. On the night of July 21, 1864, Hood ordered Lt. Gen. William J. Hardee's corps to make 15-mile night march and assault the Union left flank east of the city, held by Maj. Gen. James B. McPherson's Army of the Tennessee. Joining the attack with Hardee would be the corps of Maj. Gen. Benjamin Cheatham. Hood attac…READ MORE
1864-08-31
Leadership Change - Regiment - Colonel John Thomas Smith
ColonelJohn Thomas Smith
1864-08-31
Leadership Change - Division - Brigadier General Nathan Kimball
Brigadier GeneralNathan Kimball
1864-08-31
Battle - Jonesborough - Clayton County, Georgia
By late August 1865, the city of Atlanta was not yet subdued by Maj. Gen. William T. Sherman's armies. A few supply lines remained open to the city supporting the army of Lieut. Gen. John B. Hood encircled there. Union cavalry raids inflicted only superficial damage, quickly repaired by the Confederates. Sherman determined that if he could destroy the Macon & Western and Atlanta & West Point Railroads to the south the Rebel army would be forced to evacuate the city. On August 25, Union infantry beg…READ MORE
1864-11-30
Leadership Change - Regiment - Colonel John T. Smith
ColonelJohn T. Smith
1864-11-30
Battle - Franklin (1864) - Franklin, Tennessee
After allowing Maj. Gen. John Schofield's Army of the Ohio to pass him near Spring Hill, Tennessee, the previous morning, Lt. Gen. John Bell Hood led his 30,000-man Army of Tennessee to the outskirts of Franklin on November 30th. Schofield's army had constructed a strong defensive line south of the town. Hood took a position two miles south of Schofield, with open, rolling farm land between them, and prepared to attack. At 4:00 p.m., over 20,000 Confederates moved forward east and west of the Columbia Pike…READ MORE
1864-12-15
Battle - Nashville - Nashville, Tennessee
Despite a series of defeats in the closing days of November, 1864, Confederate Lieut. Gen. John Bell Hood continued to drag his bloodied Army of Tennessee, approximately 30,000 strong, north towards Nashville. The city was protected by 55,000 Union soldiers, which should have precluded further offensive operations, but Hood was determined and his situation was dire. Hood reached Nashville on December 2nd and staked out a position south of the city, hoping to draw the Union forces into a costly attack. Ulys…READ MORE
1865-12-08
Mustered Out - Indiana 31st Infantry - Indiana
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