Iowa 12th Volunteer Infantry (Union)
1861-10-18
Organized - Iowa 12th Volunteer Infantry - Iowa
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 Joseph J. Woods, and Captain S. R. Edgington
ColonelJoseph J. Woods
CaptainS. R. Edgington
1862-04-06
Leadership Change - Brigade - Colonel James M. Tuttle, and Lieutenant Colonel James Baker
ColonelJames M. Tuttle
Lieutenant ColonelJames Baker
1862-04-06
Leadership Change - Division - Brigadier General W.H.L. Wallace, and Colonel James M. Tuttle
Brigadier GeneralW.H.L. Wallace
ColonelJames M. Tuttle
1862-04-06
Leadership Change - Regiment - Colonel Joseph J. Woods
ColonelJoseph J. Woods
1862-04-06
Leadership Change - Regiment - Captain S. R. Edgington
CaptainS. R. Edgington
1862-04-06
Leadership Change - Division - Brigadier General W.H.L. Wallace
Brigadier GeneralW.H.L. Wallace
1862-04-06
Battle - Shiloh - Hardin County, Tennessee
1862-10-03
Leadership Change - Brigade - Brigadier General Pleasant A. Hackleman, and Colonel Thomas W. Sweeny
Brigadier GeneralPleasant A. Hackleman
ColonelThomas W. Sweeny
1862-10-03
Leadership Change - Division - Brigadier General Thomas A. Davies
Brigadier GeneralThomas A. Davies
1862-10-03
Leadership Change - Brigade - Brigadier General Pleasant A. Hackleman
Brigadier GeneralPleasant A. Hackleman
1862-10-03
Battle - Battle of Corinth - Corinth, Mississippi
Not to be confused with Siege of Corinth. Also known as Second Battle of Corinth.READ MORE
1863-05-01
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
1863-05-12
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
1863-05-16
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
1863-05-17
Battle - Big Black River Bridge - Hinds County, Mississippi
Reeling from their defeat at Champion Hill and heading west toward Vicksburg, the Confederates reached Big Black River Bridge, the night of May 16-17th. Lt. Gen. John C. Pemberton ordered Brig. Gen. John S. Bowen, with three brigades, to man the fortifications on the east bank of the river and impede any Union pursuit. Three divisions of Maj. Gen. John A. McClernand's Thirteenth Corps moved out from Edwards Station on the morning of the 17th. They encountered the Confederates behind breastworks and took co…READ MORE
1863-05-18
Leadership Change - Regiment - Colonel Joseph J. Woods, and Lieutenant Colonel Samuel R. Edgington
ColonelJoseph J. Woods
Lieutenant ColonelSamuel R. Edgington
1863-05-18
Leadership Change - Brigade - Brigadier General Charles L. Matthies, and Colonel Joseph J. Woods
Brigadier GeneralCharles L. Matthies
ColonelJoseph J. Woods
1863-05-18
Leadership Change - Division - Brigadier General James M. Tuttle
Brigadier GeneralJames M. Tuttle
1863-05-18
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
1864-04-07
Battle - Pleasant Hill, Louisiana
1864-04-09
Battle - Pleasant Hill - Desoto Parish, Louisiana; Sabine Parish, Louisiana
1864-07-14
Battle - Tupelo - Tupelo, Mississippi
Union Maj. Gen. Andrew J. Smith, commanding the Sixteenth Corps with more than 14,000 men, left LaGrange, Tennessee on July 5, 1864, and advanced south. Smith's mission was to insure that Maj. Gen. Nathan B. Forrest and his cavalry did not raid Maj. Gen. William T. Sherman's railroad supply line in middle Tennessee supporting the campaign against Atlanta. Laying waste to the countryside as he advanced, Smith reached Pontotoc, Mississippi, on July 11th. Forrest was in nearby Okolona with about 6,000 men, bu…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
1864-10-23
Leadership Change - Brigade - Colonel Lucius Frederick Hubbard
ColonelLucius Frederick Hubbard
1864-10-23
Leadership Change - Division - Colonel Joseph J. Woods
ColonelJoseph J. Woods
1864-10-23
Battle - Westport - Westport, Missouri
The Battle of Westport, fought October 21-23, was the largest battle west of the Mississippi River and the decisive battle of Confederate Gen. Stirling Price's 1864 Missouri campaign. Directions guide the visitor to the first of twenty-five narrative markers on a 32-mile, self-guided automobile tour and a self-guided walking tour of Byram's Ford and the Big Blue Battlefield. Each marker provides directions to the next stop on the tour. A written brochure is available from the Battle of Westport Visitor Cen…READ MORE
1864-12-15
Leadership Change - Regiment - Lieutenant Colonel John H. Stibbs
Lieutenant ColonelJohn H. Stibbs
1864-12-15
Leadership Change - Brigade - Colonel Sylvester G. Hill, and Colonel William R. Marshall
ColonelSylvester G. Hill
ColonelWilliam R. Marshall
1864-12-15
Leadership Change - Division - Brigadier General John McArthur
Brigadier GeneralJohn McArthur
1864-12-15
Leadership Change - Brigade - Colonel Sylvester G. Hill
ColonelSylvester G. Hill
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
1865-03-27
Battle - Spanish Fort - Baldwin, Alabama
1865-07-21
Mustered Out - Iowa 12th Volunteer Infantry - Iowa
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