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Connecticut 12th Volunteer Infantry (Union)

19/11/1861

Organized - Connecticut 12th Volunteer Infantry - Connecticut

27/10/1862

Battle - Georgia Landing - Assumption Parish, Louisiana

27/10/1862

Battle - Georgia Landing, Louisiana

12/04/1863

Battle - Fort Bisland - St. Mary Parish, Louisiana

14/04/1863

Battle - Irish Bend - St Mary Parish, Louisiana

21/05/1863

Leadership Change - Regiment - Lieutenant Colonel Frank Henry Peck

Lieutenant ColonelFrank Henry Peck

21/05/1863

Battle - Port Hudson - East Baton Rouge Parish, Louisiana; East Feliciana Parish, Louisiana

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Port Hudson

In cooperation with Maj. Gen. Ulysses S. Grant's final offensive against Vicksburg, Maj. Gen. Nathaniel P. Banks's army moved against the Confederate stronghold at Port Hudson on the Mississippi River. Like Vicksburg, Port Hudson was located atop high bluffs at the river bank that commanded the river. On May 11th, Banks learned that some Confederates had been moved from Port Hudson to support the forces defending Vicksburg, so he sought to move upon the garrison before those troops could be replaced. Banks…READ MORE

23/06/1863

Battle - Brashear City, Louisiana

09/07/1864

Battle - Monocacy - Frederick County, Maryland

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Monocacy

After marching north down the Shenandoah Valley from Lynchburg, the Confederate army of Lt. Gen. Jubal A. Early side-stepped the Federal garrison at Harpers Ferry and crossed the Potomac River at Shepherdstown into Maryland on July 5-6th, 1864. On July 9th, a makeshift Union force under Maj. Gen. Lew Wallace attempted to stop Early's invading Confederate divisions along the Monocacy River, just east of Frederick. The strategic area was near the junction of the Baltimore and Ohio Railroad and the Georgetown…READ MORE

11/07/1864

Leadership Change - Regiment - Lieutenant Colonel Frank H. Peck

Lieutenant ColonelFrank H. Peck

11/07/1864

Leadership Change - Brigade - Brigadier General James W. McMillan

Brigadier GeneralJames W. McMillan

11/07/1864

Leadership Change - Division - Brigadier General William Dwight

Brigadier GeneralWilliam Dwight

11/07/1864

Battle - Fort Stevens - District of Columbia, DC

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Fort Stevens

After his victory over Maj. Gen. Lew Wallace at the Battle of Monocacy in central Maryland on July 9th, Confederate Maj. Gen. Jubal A. Early pressed his advantage and moved south toward the Union capital in Washington, DC. On July 11th, Early's exhausted Confederates reached the outskirts of Washington near Silver Spring. Skirmishers advanced to feel the fortifications that encircled the city, which at the time were manned only by Home Guards, clerks, and convalescent troops. During the night, Union reinfo…READ MORE

19/09/1864

Battle - Third Winchester - Frederick County, Virginia; Winchester, Virginia

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Third Winchester

To clear the Shenandoah River valley of Confederates, Maj. Gen. Phil Sheridan moved on Winchester in mid-September 1864. Sheridan's force of over 39,000 men was more than twice the size of Maj. Gen. Jubal Early's Confederate army defending the valley. After Brig. Gen. Joseph Kershaw's division left Winchester to rejoin Robert E. Lee's army at Petersburg, Early renewed his raids on the Baltimore and Ohio Railroad at Martinsburg in the lower valley, dispersing his four remaining infantry divisions. On Septem…READ MORE

21/09/1864

Battle - Fisher's Hill - Shenandoah County, Virginia

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Fisher's Hill

Confederate Maj. Gen. Jubal Early's Army of the Valley, bloodied by its defeat at the Third Battle of Winchester on September 19th, retreated 20 miles up the valley and took a defensive position in an east-west line across Fisher's Hill, southwest of Strasburg. Maj. Gen. Phillip Sheridan's Army of the Shenandoah, in accordance with Lieut. Gen. Ulysses S. Grant's orders, aggressively pursued Early. Sheridan, outnumbering Early about three to one, noted that the right of the Confederate line was anchored o…READ MORE

19/10/1864

Leadership Change - Regiment - Lieutenant Colonel George N. Lewis

Lieutenant ColonelGeorge N. Lewis

19/10/1864

Leadership Change - Brigade - Colonel Stephen Thomas

19/10/1864

Leadership Change - Division - Brigadier General James W. McMillan

Brigadier GeneralJames W. McMillan

19/10/1864

Battle - Cedar Creek - Frederick County, Virginia; Shenandoah County, Virginia; Warren County, Virginia

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Cedar Creek

Also known as: Cedar Creek, Belle GroveREAD MORE

02/12/1864

Mustered Out - Connecticut 12th Volunteer Infantry - Connecticut

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