The Colorado Territory was formally created in 1861 shortly before the bombardment of Fort Sumter sparked the American Civil War. Although sentiments were somewhat divided in the early days of the war, Colorado was only marginally a pro-Union territory. Colorado was strategically important to both the Union and Confederacy because of the gold and silver mines there as both sides wanted to use the mineral wealth to help finance the war. The New Mexico Campaign was a military operation conducted by Confederate Brigadier General Henry Sibley to gain control of the Southwest, including the gold fields of Colorado, the mineral-rich territory of Nevada and the ports of California. The campaign was intended as a prelude to an invasion of the Colorado Territory and an attempt to cut the supply lines between California and the rest of the Union. However, the Confederates were defeated at the Battle of Glorieta Pass in New Mexico and were forced to retreat back to Texas, effectively ending the New Mexico Campaign.
The 33rd Illinois Infantry Regiment was an infantry regiment from Illinois that served in the Union Army during the American Civil War. A number of the soldiers were college students and graduates, and for a time the regiment included a 17-piece band. The unit fought at Fredericktown in 1861, Cotton Plant in 1862, the Vicksburg campaign and Fort Esperanza in 1863, and at Spanish Fort in 1865. The original enlistees were mustered out in October 1864 while the veterans and recruits were mustered out in December 1865.
32nd Regiment Indiana Volunteer Infantry was a Union Army infantry regiment during the American Civil War. It was also known as Indiana's "1st German" regiment because its members were mainly of German descent. Organized at Indianapolis, the regiment's first recruits mustered into service on August 24, 1861. From 1861 to 1865, the 32nd Indiana was attached to the first Army of the Ohio and the Army of the Cumberland, where it served in the Western Theater.
The 18th Georgia Infantry Regiment was an infantry regiment in the Confederate Army during the American Civil War. Originally brigaded with the three Texas regiments of John Bell Hood's Texas Brigade, it was transferred to Thomas R.R. Cobb's Georgia Brigade after the Battle of Antietam in late 1862. After General Cobb was mortally wounded at the Battle of Fredericksburg, the original colonel of the 18th Georgia, William T. Wofford, became Brigadier General of the Georgia Brigade.
Hispanics in the American Civil War fought on both the Union and Confederate sides of the conflict. Not all the Hispanics who fought in the American Civil War were "Hispanic-Americans", in other words citizens of the United States. Many of them were Spanish subjects or nationals from countries in the Caribbean, Central and South America. Some were born in a US Territory and therefore did not have the right to US Citizenship. It is estimated that approximately 3,500 Hispanics, mostly Mexican-Americans, Puerto Ricans and Cubans living in the United States joined the war: 2,500 for the Confederacy and 1,000 for the Union. This number increased to 10,000 by the end of the war.
The 2nd Arkansas Infantry was an army regiment of the Confederate Army during the American Civil War. The regiment was raised in May 1861 under Colonel Thomas C. Hindman. It served throughout the war in the western theater, in the Confederate Army of Tennessee, seeing action in the Kentucky, Tennessee and Georgia campaigns. Following its depletion in numbers, the regiment was consolidated several times with other Arkansas regiments, finally merging in 1865 into the 1st Arkansas Consolidated Infantry Regiment. The regiment has no connection with the 2nd Regiment, Arkansas State Troops, which participated in the Battle of Wilson's Creek, and is also separate from the 2nd Arkansas Consolidated Infantry Regiment, which was formed in 1864 from remnants of regiments surrendered at Vicksburg and Port Hudson.
The 3d Arkansas Cavalry Regiment (1861–1865) was a Confederate Army Cavalry regiment during the American Civil War.
The 9th Arkansas Infantry Regiment was a regiment of the Confederate States Army during the American Civil War. It served in the Western Theater, seeing action in the Vicksburg, Tennessee and Georgia campaigns. Due to attrition; the 9th Arkansas was consolidated several times with other Arkansas regiments, finally merging in 1865 into the 1st Arkansas Consolidated Mounted Rifles.
The 19th (Dawson's) Arkansas Infantry (1861–1865) was a Confederate Army infantry regiment during the American Civil War. The regiment was present for but not engaged during the Battle of Pea Ridge. At the Battle of Arkansas Post, the regiment became split, with part of the regiment surrendering with the garrison when the post capitulated. The captured portion of the regiment was eventually exchanged and released on the east side of the Mississippi and served the remainder of the war with the Confederate Army of Tennessee. The un-captured portion of the regiment was consolidated with the remnants of the 24th Arkansas and served the remainder of the war in the Department of the Trans-Mississippi.
The 7th Texas Infantry Regiment was a unit of Confederate States Army infantry volunteers organized in 1861 that fought mostly in the Army of Tennessee during the American Civil War. The regiment was captured at Fort Donelson in 1862 and sent to Northern prison camps. After the survivors were exchanged and new recruits added, the regiment was reconstituted and fought at Raymond, Jackson, Chickamauga, Missionary Ridge, and Ringgold Gap in 1863. The unit served in the Atlanta Campaign and at Franklin, Nashville, Averasborough, and Bentonville in 1864–1865. The regiment's 65 survivors surrendered to William Tecumseh Sherman's Federal forces on 26 April 1865.
The 22nd Texas Cavalry Regiment was a unit of mounted volunteers from Texas that fought in the Confederate States Army during the American Civil War. The regiment first began organizing in late 1861 and by July 1862, it moved to the Indian Territory. The unit fought at Newtonia in September 1862 and was dismounted soon after. The regiment fought as infantry at Prairie Grove in December 1862. It traveled to Louisiana in March 1863 where it joined a brigade led by Camille de Polignac. In 1864 the regiment fought at Mansfield, Pleasant Hill, and Yellow Bayou during the Red River Campaign. In March 1865 the regiment marched to Texas where it disbanded in May.
The 21st Texas Cavalry Regiment was a unit of mounted volunteers from Texas that fought in the Confederate States Army during the American Civil War. In spring 1862, George Washington Carter began organizing a lancer cavalry regiment in central Texas. So many men were recruited that two additional lancer regiments, the 24th and 25th Texas Cavalry, were formed. The three units moved to Arkansas where the 24th and 25th were dismounted to serve as infantry, but the 21st remained mounted. Since, the unit never received lances, it served as an ordinary cavalry regiment. The 21st Texas Cavalry fought at Cape Girardeau in 1863. It arrived too late to participate in the key battles of the Red River campaign in 1864, but fought at Yellow Bayou. In 1865, the unit moved to Texas where it disbanded at the end of the war.
The 1st Texas Cavalry Regiment was a unit of mounted volunteers from Texas that fought in the Confederate States Army during the American Civil War. It was first organized as a 10-company regiment by Colonel Henry Eustace McCulloch in April 1861 and named the 1st Texas Mounted Rifles. In early May 1861, the regiment secured the surrender of the small Federal garrison of San Antonio. Except from a skirmish with Native Americans in November 1861, the regiment took part in no more actions. In April 1862, the unit was reduced to five companies and renamed the 8th Texas Cavalry Battalion. On 2 May 1862, William Overall Yager's 3rd Texas Cavalry Battalion was consolidated with the 8th Cavalry Battalion to form a new 1st Texas Cavalry Regiment under Colonel Augustus Buchel, a German soldier of fortune who emigrated to Texas in 1845. The regiment served on the Texas Gulf Coast in 1863 but later transferred to Louisiana. In 1864, it fought at Mansfield, Pleasant Hill, and Yellow Bayou in the Red River Campaign. After Buchel was killed at Pleasant Hill, Yager led the regiment for the rest of the war. The unit was included in the 2 June 1865 surrender.
The 33rd Texas Cavalry Regiment was a unit of mounted volunteers from Texas that fought in the Confederate States Army during the American Civil War. San Antonio merchant James Duff organized the 14th Texas Cavalry Battalion. In summer 1862, the Texas government ordered the battalion to suppress the Union Loyal League, which was composed of German Texans who opposed secession. When a group of Germans fled toward Mexico, Duff led a contingent of soldiers in a pursuit that ended in the so-called Battle of the Nueces in August 1862. Most of the Germans were killed in what some named a massacre. The 14th Battalion was subsequently expanded into the 33rd Texas Cavalry Regiment by the addition of some Mexican-American companies raised by Santos Benavides. Benavides became a major before leaving the regiment to form his own unit in November 1863. At first, the new regiment was assigned to patrol the Rio Grande, and later its duties included defending both the Rio Grande and Corpus Christi, Texas. In April 1864, the regiment transferred to Bonham in north Texas. The unit never engaged regular Federal troops and disbanded in May 1865.
The 19th Texas Infantry Regiment was a unit of volunteers recruited in Texas that fought in the Confederate States Army during the American Civil War. The regiment began organizing in February 1862 and elected its officers in May 1862. It spent its entire existence west of the Mississippi River in the Trans-Mississippi Department. In fall 1862, the unit was assigned to the 3rd Brigade of the Texas infantry division known as Walker's Greyhounds and fought at Milliken's Bend in June 1863. The unit was in action at Mansfield, Pleasant Hill, and Jenkins' Ferry in 1864. The last units in the Trans-Mississippi surrendered in June 1865, but the 19th Regiment had already disbanded before that date.
The 17th Texas Infantry Regiment was a unit of volunteers recruited in Texas that fought in the Confederate States Army during the American Civil War. The regiment organized in March 1862 with West Point graduate Robert T. P. Allen as it first colonel. It spent its entire existence west of the Mississippi River in the Trans-Mississippi Department. After marching to Arkansas in August 1862, the regiment spent the winter at Camp Nelson where a large number of men died from disease. In fall 1862, the unit was assigned to the 3rd Brigade of the Texas infantry division later known as Walker's Greyhounds. The regiment fought at Milliken's Bend in June 1863. George Washington Jones assumed command of the regiment in November 1863. The unit was in action at Fort De Russy, Mansfield, Pleasant Hill, and Jenkins' Ferry in 1864. The regiment marched to Texas and surrendered in June 1865.
The 16th Texas Infantry Regiment was a unit of volunteers recruited in Texas that fought in the Confederate States Army during the American Civil War. George Flournoy, the former Attorney General of the state of Texas, organized the regiment at Camp Groce in March 1862. Its entire career was spent west of the Mississippi River in the Trans-Mississippi Department. It marched to Arkansas where it camped during the winter of 1862–1863. During that period, the unit was assigned to the 3rd Brigade of the Texas infantry division later known as Walker's Greyhounds. In June 1863, it fought at Milliken's Bend and in October 1863 it skirmished at Opelousas, Louisiana. The regiment was in action at Mansfield, Pleasant Hill, and Jenkins' Ferry in 1864. The regiment disbanded at the end of April 1865, but Flournoy and some soldiers crossed into Mexico and fought for Maximilian I of Mexico. Littleton W. Moore, who fought with the regiment, later became a United States congressman.
The 13th Texas Infantry Regiment was a unit of volunteers recruited in Texas that fought in the Confederate States Army during the American Civil War. The regiment organized between September 1861 and January 1862, and was originally called the 4th Texas Volunteer Regiment. It spent its entire existence patrolling the Texas Gulf Coast between Matagorda and Galveston. The unit was actually made up of infantry, cavalry, and artillery units, but was not designated a legion. In April 1862, four infantry companies transferred to the 15th Texas Infantry Regiment, while three cavalry and one artillery company transferred to Reuben R. Brown's 12th Texas Cavalry Battalion. In fall 1863, three additional infantry companies of the 13th Texas Infantry were added when the 12th Cavalry Battalion consolidated with Lee C. Rountree's Cavalry Battalion to form the 35th (Brown's) Texas Cavalry Regiment. The regiment's soldiers suffered from poor morale due to the lack of military action, disease, monotony, and lack of food. The troops were only involved in a few skirmishes with the United States Navy. The formal surrender date was in June 1865, but by that time most of the soldiers had returned home.
The 8th Texas Infantry Regiment was a unit of volunteers recruited in Texas that fought in the Confederate States Army during the American Civil War. In May 1862, the 8th Texas Infantry Battalion mustered into Confederate service in Refugio County, Texas, with three companies. A fourth company joined in June 1862 and a fifth company soon afterward. After training at Banquete, Texas, until July 1862, the battalion fought in the Battle of Corpus Christi where it defended that city. The full regiment was created when the 8th Infantry Battalion was joined by Shea's Artillery battalion, making 1 cavalry, 5 infantry, and 4 artillery companies. The regiment fought at Fort Esperanza in November 1863 and was transferred to east Texas soon afterward. At this time, many soldiers from the 8th Infantry transferred to Waul's Legion and fought in the Red River campaign. The regiment mustered out of service on 22 May 1865.
The 21st Texas Infantry Regiment was a unit of volunteers recruited in Texas that fought in the Confederate States Army during the American Civil War. The regiment was formed in spring 1864 by consolidating William Henry Griffin's 21st Texas Infantry Battalion and Ashley W. Spaight's 11th Texas Cavalry Battalion. Spaight became colonel and Griffin became lieutenant colonel. Spaight's 11th Battalion existed as early as September 1862 with a strength of 400 men. In the 21st Regiment's only notable action, it ambushed and captured two Union gunboats in the Battle of Calcasieu Pass on 24 April 1864. The unit's duties were mainly guarding the Texas Gulf Coast. It moved to Marshall, Texas, in the winter of 1864–1865, then marched to Shreveport, Louisiana. In April 1865, the regiment returned to Texas before disbanding in May.
Confederate States of America 
Texas 
Confederate States Army 
