Ohio 80th Volunteer Infantry (Union)
10/1/61
Organized - Ohio 80th Volunteer Infantry - Ohio
4/29/62
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
9/19/62
Battle - Iuka - Tishomingo County, Mississippi
Maj. Gen. Sterling Price's Army of the West main column marched into Iuka, Mississippi, on September 14th. Price's superior, Gen. Braxton Bragg, had ordered Price to prevent Maj. Gen. William S. Rosecrans's Army of the Mississippi from moving into Tennessee and reinforcing Nashville. Maj. Gen. Ulysses S. Grant, commanding the Army of the Tennessee, feared that Price intended to go north to join Bragg. Grant devised a plan for his left wing commander, Maj. Gen. E.O.C. Ord, to advance on Iuka from the west;…READ MORE
10/3/62
Leadership Change - Regiment - Major Richard Lanning
MajorRichard Lanning
10/3/62
Leadership Change - Brigade - Brigadier General Jeremiah C. Sullivan, and Colonel Samuel A. Holmes
Brigadier GeneralJeremiah C. Sullivan
ColonelSamuel A. Holmes
10/3/62
Leadership Change - Division - Brigadier General Charles S. Hamilton, and undefined Escort: 5th Missouri Cavalry Company C
Brigadier GeneralCharles S. Hamilton
10/3/62
Leadership Change - Regiment - Major Richard Lanning
MajorRichard Lanning
10/3/62
Leadership Change - Brigade - Brigadier General Jeremiah C. Sullivan
Brigadier GeneralJeremiah C. Sullivan
10/3/62
Battle - Battle of Corinth - Corinth, Mississippi
Not to be confused with Siege of Corinth. Also known as Second Battle of Corinth.READ MORE
5/1/63
Battle - Port Gibson - Claiborne County, Mississippi
On April 30, 1863, Maj. Gen. Ulysses S. Grant's army crossed the Mississippi River at Bruinsburg, 30 miles south of his objective of Vicksburg. Grant hoped to move east toward the capital at Jackson to block the Confederate army there under Gen. Joseph E. Johnston from reinforcing Vicksburg. Port Gibson, ten miles east of Bruinsburg on the Bayou Pierre River, commanded the best approach routes and was the first Federal objective. A Confederate force there was commanded by Maj. Gen. John S. Bowen. Grant's A…READ MORE
5/12/63
Leadership Change - Regiment - Colonel Matthew H. Bartilson
ColonelMatthew H. Bartilson
5/12/63
Leadership Change - Brigade - Colonel Samuel A. Holmes
ColonelSamuel A. Holmes
5/12/63
Leadership Change - Division - Brigadier General Marcellus M. Crocker
Brigadier GeneralMarcellus M. Crocker
5/12/63
Battle - Raymond - Hinds County, Mississippi
On May 12th, 1863, after days of hard marching towards Jackson, Mississippi, Maj. Gen. Ulysses S. Grant fought to secure the crossings of Fourteenmile Creek southwest of Raymond, which would provide a vital water source for his men and animals and serve as a staging area for a strike on the Confederate rail supply line between Clinton and Edwards, Mississippi. Cutting the railroad here would cut off supplies to Grant's ultimate goal, the Mississippi River city of Vicksburg 30 miles to the west. At around…READ MORE
5/16/63
Battle - Champion Hill - Hinds County, Mississippi
The Battle of Champion Hill was the largest and bloodiest action of Maj. Gen. Ulysses S. Grant's Vicksburg Campaign.READ MORE
5/18/63
Leadership Change - Regiment - Colonel Matthias H. Bartilson, and Major Pren Metham
ColonelMatthias H. Bartilson
MajorPren Metham
5/18/63
Leadership Change - Brigade - Colonel Green B. Raum, and Colonel Samuel A. Holmes
ColonelGreen B. Raum
ColonelSamuel A. Holmes
5/18/63
Leadership Change - Division - undefined 4th Missouri Cavalry Company F: Lt Alexander Mueller, Brigadier General Isaac Quinby, Brigadier General John E. Smith, and undefined Escort
4th Missouri Cavalry Company F: Lt Alexander Mueller
Brigadier GeneralIsaac Quinby
Brigadier GeneralJohn E. Smith
5/18/63
Battle - Vicksburg - Vicksburg, Mississippi
In mid-May, 1863, after six months of unsuccessful attempts, Maj. Gen. Ulysses S. Grant's Army of the Tennessee finally converged on Vicksburg, defended by a Confederate army under Lt. Gen. John C. Pemberton. Capture of the Mississippi River town was critical to Union control of the strategic river. Vicksburg was located on a high river bluff defended with artillery, and Pemberton's men had constructed a series of fortifications in an 8-mile arc surrounding the city on the landward side. After crossing the…READ MORE
11/23/63
Battle - Chattanooga Campaign - Chattanooga, Tennessee
After taking charge of the Union's western armies in October of 1863, Maj. Gen. Ulysses S. Grant focused on lifting the Confederate siege of Chattanooga, Tennessee, which had been in place since the Battle of Chickamauga in September. Grant opened the 'Cracker Line' across the Tennessee River to bring supplies to the beleaguered Army of the Cumberland inside the city, and, in mid-November, brought Maj. Gen. William T. Sherman's Army of the Tennessee into the city as well. The Confederates under Maj. Gen.…READ MORE
11/25/63
Battle - Missionary Ridge - Chattanooga, Tennessee
From the last days of September through October 1863, Gen. Braxton Bragg's army laid siege to the Union army under Maj. Gen. William Rosecrans at Chattanooga, cutting off its supplies. On October 17, Maj. Gen. Ulysses S. Grant received command of the Western armies; he moved to reinforce Chattanooga and replaced Rosecrans with Maj. Gen. George Thomas. A new supply line was soon established. Maj. Gen. William T. Sherman arrived with his four divisions in mid-November, and the Federals began offensive operat…READ MORE
3/19/65
Battle - Bentonville - Bentonville, North Carolina
After his march to the sea, Maj. Gen. William T. Sherman headed north in early 1865 to unite with Lt. Gen. Ulysses S. Grant's army in Virginia. Only Confederate Gen. Joseph Johnston's army stood between Sherman and Grant. After briefly blocking Sherman's advance at Averasboro, North Carolina on March 16, Johnston struck Maj. Gen. Henry Slocum's wing of Sherman's army near Bentonville on March 19. The Confederates ran into stiff resistance, as Slocum established a defensive position. Johnston's assaults con…READ MORE
8/15/65
Mustered Out - Ohio 80th Volunteer Infantry - Ohio
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