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Ohio 78th Volunteer Infantry (Union)

01 Nov 1861

Ohio 78th Volunteer Infantry organized.

11 Feb 1862

Participated in the Battle of Fort Donelson at Fort Donelson, TN.

The Battle of Fort Donelson
The Battle of Fort Donelson

Early in the war, Union commanders realized control of the major rivers would be the key to success in the Western Theater. Read More

06 Apr 1862

Participated in the Battle of Shiloh at Hardin County, Tennessee.

The Battle of Shiloh
The Battle of Shiloh

On the morning of April 6, 1862, 40,000 Confederate soldiers under the command of Gen. Albert Sidney Johnston poured out of the nearby woods and struck the encamped divisions of Union soldiers occupying ground near Pittsburg Landing on the Tennessee River. Read More

29 Apr 1862

Participated in the Siege of Corinth at Corinth, MS.

The Siege of Corinth
The Siege of Corinth

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

19 Sep 1862

Participated in the Battle of Iuka at Tishomingo County, Mississippi.

The Battle of Iuka
The Battle of Iuka

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

01 May 1863

Participated in the Battle of Port Gibson at Claiborne County, Mississippi.

The Battle of Port Gibson
The Battle of Port Gibson

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

12 May 1863

Assigned to the Regiment led by Lieutenant Colonel Zachariah M. Chandler.

Lieutenant Colonel Zachariah M. Chandler

12 May 1863

Assigned to the Brigade led by Brigadier General Elias Smith Dennis.

Brigadier General Elias Smith Dennis

12 May 1863

Assigned to the Division led by Brigadier General John A. Logan.

Brigadier General John A. Logan

12 May 1863

Participated in the Battle of Raymond at Hinds County, Mississippi.

The Battle of Raymond
The Battle of Raymond

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 ar… Read More

16 May 1863

Assigned to the Regiment led by Lieutenant Colonel Greenbury F. Wiles.

Lieutenant Colonel Greenbury F. Wiles

16 May 1863

Assigned to the Brigade led by Brigadier General Mortimer D. Leggett.

Brigadier General Mortimer D. Leggett

16 May 1863

Assigned to the Division led by Major General John A. Logan.

Major General John A. Logan

16 May 1863

Participated in the Battle of Champion Hill at Hinds Co, MS.

The Battle of Champion Hill
The Battle of Champion Hill

The Battle of Champion Hill was the largest and bloodiest action of Maj. Gen. Ulysses S. Grant’s Vicksburg Campaign. Read More

18 May 1863

Assigned to the Regiment led by Lieutenant Colonel Greenberry F. Wiles.

Lieutenant Colonel Greenberry F. Wiles

18 May 1863

Assigned to the Brigade led by Brigadier General Mortimer D. Leggett, and Colonel Manning F. Force.

Brigadier General Mortimer D. Leggett

Colonel Manning F. Force

18 May 1863

Assigned to the Division led by undefined 2nd Illinois Cavalry Company A: Lt William B. Cummins, undefined Escort, and Major General John A. Logan.

18 May 1863

Participated in the Battle of Vicksburg at Vicksburg, Mississippi.

The Battle of Vicksburg
The Battle of Vicksburg

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

07 Jun 1863

Participated in the Battle of Milliken's Bend at Madison Parish, Louisiana.

The Battle of Milliken's Bend
The Battle of Milliken's Bend

On June 6, 1863, Col. Hermann Lieb with the African Brigade and two companies of the 10th Illinois Cavalry made a reconnaissance toward Richmond, Louisiana just west of the Mississippi River opposite Vicksburg. Lieb encountered enemy troops at the Tallulah railroad depot and drove them back but then retired, fearing that many more Rebels might be near. Lieb formed his men into a battle line at Milliken’s Bend on the river and prepared to meet the pursuing enemy. The 23rd Iowa Infantry and two gunboats came… Read More

27 Jun 1864

Participated in the Battle of Kennesaw Mountain at Cobb County, Georgia.

The Battle of Kennesaw Mountain
The Battle of Kennesaw Mountain

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.… Read More

22 Jul 1864

Participated in the Battle of Atlanta at Fulton County, Georgia; DeKalb County, Georgia.

The Battle of Atlanta
The Battle of Atlanta

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

31 Aug 1864

Assigned to the Brigade led by Lieutenant Colonel Greenberry F. Wiles.

Lieutenant Colonel Greenberry F. Wiles

31 Aug 1864

Assigned to the Division led by Brigadier General Charles R. Woods.

Brigadier General Charles R. Woods

31 Aug 1864

Participated in the Battle of Jonesborough at Clayton County, Georgia.

The Battle of Jonesborough
The Battle of Jonesborough

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

19 Mar 1865

Participated in the Battle of Bentonville at Bentonville, NC.

The Battle of Bentonville
The Battle of Bentonville

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

11 Jul 1865

Ohio 78th Volunteer Infantry mustered out.