Connecticut 12th Volunteer Infantry (Union)
11/19/61
Organized - Connecticut 12th Volunteer Infantry - Connecticut
10/27/62
Battle - Georgia Landing - Assumption Parish, Louisiana
10/27/62
Battle - Georgia Landing, Louisiana
4/12/63
Battle - Fort Bisland - St. Mary Parish, Louisiana
4/14/63
Battle - Irish Bend - St Mary Parish, Louisiana
5/21/63
Leadership Change - Regiment - Lieutenant Colonel Frank Henry Peck
Lieutenant ColonelFrank Henry Peck
5/21/63
Battle - Port Hudson - East Baton Rouge Parish, Louisiana; East Feliciana Parish, Louisiana
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
6/23/63
Battle - Brashear City, Louisiana
7/9/64
Battle - Monocacy - Frederick County, Maryland
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
7/11/64
Leadership Change - Regiment - Lieutenant Colonel Frank H. Peck
Lieutenant ColonelFrank H. Peck
7/11/64
Leadership Change - Brigade - Brigadier General James W. McMillan
Brigadier GeneralJames W. McMillan
7/11/64
Leadership Change - Division - Brigadier General William Dwight
Brigadier GeneralWilliam Dwight
7/11/64
Battle - Fort Stevens - District of Columbia, DC
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
9/19/64
Battle - Third Winchester - Frederick County, Virginia; Winchester, Virginia
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
9/21/64
Battle - Fisher's Hill - Shenandoah County, Virginia
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
10/19/64
Leadership Change - Regiment - Lieutenant Colonel George N. Lewis
Lieutenant ColonelGeorge N. Lewis
10/19/64
Leadership Change - Brigade - Colonel Stephen Thomas
ColonelStephen Thomas
10/19/64
Leadership Change - Division - Brigadier General James W. McMillan
Brigadier GeneralJames W. McMillan
10/19/64
Battle - Cedar Creek - Frederick County, Virginia; Shenandoah County, Virginia; Warren County, Virginia
Also known as: Cedar Creek, Belle GroveREAD MORE
12/2/64
Mustered Out - Connecticut 12th Volunteer Infantry - Connecticut
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