Fort Ridgely was a frontier United States Army outpost from 1851 to 1867, built 1853–1854 in Minnesota Territory. The Sioux called it Esa Tonka. It was located overlooking the Minnesota river southwest of Fairfax, Minnesota. Half of the fort's land was part of the south reservation in the Minnesota river valley for the Mdewakanton and Wahpekute tribes. Fort Ridgely had no defensive wall, palisade, or guard towers. The Army referred to the fort as the "New Post on the Upper Minnesota" until it was named for three Maryland Army Officers named Ridgely, who died during the Mexican–American War.
George Nelson Morgan was a Union Army officer in the American Civil War.
The 2nd Minnesota Cavalry Regiment was a Minnesota USV cavalry regiment that served in the Union Army during the American Civil War.
The 3rd Minnesota Infantry Regiment was a Minnesota USV infantry regiment that served in the Union army during the American Civil War. It fought in several campaigns in the Western Theater.
The 4th Minnesota Infantry Regiment was a Minnesota USV infantry regiment that served in the Union Army during the American Civil War. It served in several important campaigns in the Western Theater.
The 5th Minnesota Infantry Regiment was a Minnesota USV infantry regiment that served in the Union Army in the Western Theater of the American Civil War.
The 6th Minnesota Infantry Regiment was an infantry regiment that fought in the Union army during the American Civil War. The 6th Minnesota Infantry spent much of the war in the Northwest fighting Dakota Indians rather than participating in the battles with the Confederacy. Led by William Crooks, the regiment saw action in the American Civil War mainly with the Dakota Tribe.
The 7th Minnesota Infantry Regiment was an infantry regiment in the Union Army that served in the Western Theater of the American Civil War.
The 8th Minnesota Infantry Regiment was a Minnesota USV infantry regiment that served in the Union Army during the American Indian Wars and the American Civil War.
The 9th Minnesota Infantry Regiment was a Minnesota USV infantry regiment that served in the Union Army in the Western Theater of the American Civil War.
The 10th Minnesota Infantry Regiment was a Minnesota USV infantry regiment that served in the Union Army during the American Civil War.
Brackett's Minnesota Cavalry Battalion was a Minnesota USV cavalry battalion that served in the Union Army during the American Civil War.
Hatch's Minnesota Cavalry Battalion was a Minnesota USV cavalry battalion that served in the Union Army during the American Civil War and American Indian Wars.
The 3rd Minnesota Light Artillery Battery was a Minnesota USV artillery battery that served in the Union Army during the American Civil War and the American Indian Wars.
The 30th Wisconsin Infantry Regiment was a volunteer infantry regiment that served in the Union Army during the American Civil War.
Galvanized Yankees was a term from the American Civil War denoting former Confederate prisoners of war who swore allegiance to the United States and joined the Union Army. Approximately 5,600 former Confederate soldiers enlisted in the United States Volunteers, organized into six regiments of infantry between January 1864 and November 1866. Of those, more than 250 had begun their service as Union soldiers, were captured in battle, then enlisted in prison to join a regiment of the Confederate States Army. They surrendered to Union forces in December 1864 and were held by the United States as deserters, but were saved from prosecution by being enlisted in the 5th and 6th U.S. Volunteers. An additional 800 former Confederates served in volunteer regiments raised by the states, forming ten companies. Four of those companies saw combat in the Western Theater against the Confederate Army, two served on the western frontier, and one became an independent company of U.S. Volunteers, serving in Minnesota.
The 1st Dakota Cavalry was a Union battalion of two companies raised in the Dakota Territory during the American Civil War. They were deployed along the frontier, primarily to protect the settlers during the Sioux Uprising of 1862.
The 1st Regiment California Volunteer Cavalry was a cavalry regiment in the Union Army during the American Civil War. It was first formed of five companies as 1st Battalion, 1st Regiment California Volunteer Cavalry between August and October 31, 1861, at Camp Merchant near Oakland. After the battalion was organized it was sent to Southern California, three companies being stationed at Camp Latham, near Los Angeles, and two at Camp Carleton, near San Bernardino. November 20–29, 1861, a detachment under Second Lt. C. R. Wellman was stationed at Camp Wright, and pursued and captured Dan Showalter's party west of the San Jose Valley and Warner's Ranch. The battalion remained in Southern California until the spring of 1862, when it became part of the California Column, and formed the advance force of that Column during the march to New Mexico Territory and Texas. In 1863, the Regiment was brought to full strength when seven more companies were raised to bring it to a full strength of twelve companies. The five companies first organized were mustered out August 31, 1864, the terms of service of most of the men having expired. Two new companies, B and C, were organized in New Mexico, by consolidation of the few men whose terms had not expired, and by new enlistments, and two new companies were enlisted in California, A and E, which, upon the completion of their organization, were sent to Arizona. All of the companies of First Volunteer Cavalry stationed in New Mexico and Texas, were ordered to assemble at Baird’s Ranch, near Albuquerque, to be mustered out of the service, during the month of September, 1866. Company M was the last mustered out on the September 30, 1866. 1st Volunteer Cavalry Regiment spent its entire term of service in the western United States in California and New Mexico Territory and Texas.
Clarence Edmund Bennett (1833–1902), usually referred to as Clarence E. Bennett, a graduate of West Point, a career American Army officer who saw duty almost exclusively in Western frontier assignments, served in the American Civil War in California, New Mexico and Arizona Territories and later in Reconstruction occupation forces and frontier duty during the later Indian Wars.
The 3rd Massachusetts Volunteer Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War. It was organized by consolidating the 41st Massachusetts Mounted Infantry and the 2nd Battalion Massachusetts Cavalry on June 17, 1863. The regiment served with the XIX Corps, Army of the Gulf during the Red River Campaign in 1864. Its heaviest combat during this campaign took place during the Battle of Sabine Crossroads.
