Arizona Territory, colloquially referred to as Confederate Arizona, was an organized incorporated territory of the Confederate States of America that existed from August 1, 1861, to May 26, 1865, when the Confederate States Army Trans-Mississippi Department, commanded by General Edmund Kirby Smith, surrendered at Shreveport, Louisiana. However, after the Battle of Glorieta Pass, the Confederates had to retreat from the territory, and by July 1862, effective Confederate control of the territory had ended. Delegates to the secession convention had voted in March 1861 to secede from the New Mexico Territory and the Union, and seek to join the Confederacy. It consisted of the portion of the New Mexico Territory south of the 34th parallel, including parts of the modern states of New Mexico and Arizona. The capital was Mesilla, along the southern border. The breakaway region overlapped Arizona Territory, established by the Union government in February 1863.
The Battle of Picacho Pass, also known as the Battle of Picacho Peak, was an engagement of the American Civil War on April 15, 1862. The action occurred around Picacho Peak, 50 miles (80 km) northwest of Tucson, Arizona. It was fought between a Union cavalry patrol from California and a party of Confederate pickets from Tucson, and marks the westernmost battle of the American Civil War involving fatalities.
Stanwix Station, in western Arizona, was a stop on the Butterfield Overland Mail Stagecoach line built in the later 1850s near the Gila River about 80 miles (130 km) east of Yuma, Arizona. Originally the station was called Flap Jack Ranch later Grinnell's Ranch or Grinnell's Station. In 1862, Grinnell's was listed on the itinerary of the California Column in the same place as Stanwix Ranch which became the site of the westernmost skirmish of the American Civil War. A traveler in 1864, John Ross Browne, wrote Grinnell's was six miles southwest of the hot springs of Agua Caliente, Arizona.
The California Column was a force of Union volunteers sent to Arizona and New Mexico during the American Civil War. The command marched over 900 miles (1,400 km) from California through Arizona and New Mexico Territory to the Rio Grande and as far east as El Paso, Texas, between April and August 1862.
The 4th California Infantry was a volunteer infantry regiment recruited from northern California during the American Civil War. It was organized at Sacramento, Placerville, and Auburn in September and October 1861.
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 New Mexico Territory, comprising what are today the U.S. states of New Mexico and Arizona, as well as the southern portion of Nevada, played a small but significant role in the trans-Mississippi theater of the American Civil War. Despite its remoteness from the major battlefields of the east, and its being part of the sparsely populated and largely undeveloped American frontier, both Confederate and Union governments claimed ownership over the territory, and several important battles and military operations took place in the region. Roughly 7,000-8,000 troops from the New Mexico Territory served the Union, more than any other western state or territory.
La Paz was a short-lived early gold mining town along on the western border of current-day La Paz County, Arizona. The town grew quickly after gold was discovered nearby in 1862. La Paz, Spanish for peace, was chosen as the name in recognition of the feast day for Our Lady of Peace. Originally located in the New Mexico Territory, the town became part of the Arizona Territory when President Abraham Lincoln established the new territory in 1863. In 1983 the newly formed County of La Paz adopted the name, long after the town had become a ghost town.
The First Battle of Dragoon Springs was a minor skirmish between a small troop of Confederate dragoons of Governor John R. Baylor's Arizona Rangers, and a band of Apache warriors during the American Civil War. It was fought on May 5, 1862, near the present-day town of Benson, Arizona, in Confederate Arizona.
Prior to the adoption of its name for a U.S. state, Arizona was traditionally defined as the region south of the Gila River to the present-day Mexican border, and between the Colorado River and the Rio Grande. It encompasses present-day Southern Arizona and the New Mexico Bootheel plus adjacent parts of Southwestern New Mexico. This area was transferred from Mexico to the United States in the Gadsden Purchase of 1853. Mining and ranching were the primary occupations of traditional Arizona's inhabitants, though growing citrus fruits had long been occurring in Tucson.
The Company A, Arizona Rangers was a cavalry formation of the Confederate States Army during the American Civil War.
The 1st Regiment California Cavalry was a cavalry regiment in the Union Army during the American Civil War. First formed as a battalion, the unit later expanded to regimental size.
The 1st Battalion of Native Cavalry, California Volunteers was a cavalry battalion in the Union Army during the American Civil War. Recruits were largely drawn from the Californio population, though its ranks included Yaqui and Mission Indians as well as immigrants from Mexico, Hispano America and Europe. In addition to its ethnic makeup, the Battalion is also considered unusual for being one of the few lancer units in the United States Army.
The Department of New Mexico was a department of the United States Army during the mid-19th century. It was created as the 9th Department, a geographical department, in 1848 following the successful conclusion of the Mexican–American War, and renamed Department of New Mexico in 1853. It had to contend with an invading Confederate force during the New Mexico Campaign of the American Civil War from mid-1861 to early 1862, then with Apache tribes during the remainder of the conflict. It was merged into the Department of California after the end of the war as the District of New Mexico.
Union forces entered Tucson on May 20, 1862, with a force of 2,000 men without firing a shot.
The Yuma War was the name given to a series of United States military operations conducted in Southern California and what is today southwestern Arizona from 1850 to 1853. The Quechan were the primary opponent of the United States Army, though engagements were fought between the Americans and other native groups in the region.
Dome is a ghost town located in Yuma County, in southwestern Arizona, United States. It is located in the Dome Valley south of the Gila River. Originally Swiveler's Station, 20 miles (32 km) east of Fort Yuma on the Butterfield Overland Mail route, a post office was established here in 1858. It was first under the name of Gila City, the nearby boomtown one and a half miles (2.4 km) west of Swiveler's, but the post office closed July 14, 1863, after most of the town was swept away in the Great Flood of 1862, and then abandoned for the La Paz gold rush along the Colorado River. After the railroad passed by the site and an attempt at large scale mining of the placers began, a new post office was established as Dome in 1892 but soon closed when the attempt failed. Subsequently it opened and closed several times before finally closing in 1940.
Steamboats on the Colorado River operated from the river mouth at the Colorado River Delta on the Gulf of California in Mexico, up to the Virgin River on the Lower Colorado River Valley in the Southwestern United States from 1852 until 1909, when the construction of the Laguna Dam was completed. The shallow draft paddle steamers were found to be the most economical way to ship goods between the Pacific Ocean ports and settlements and mines along the lower river, putting in at landings in Sonora state, Baja California Territory, California state, Arizona Territory, New Mexico Territory, and Nevada state. They remained the primary means of transportation of freight until the advent of the more economical railroads began cutting away at their business from 1878 when the first line entered Arizona Territory.
Olive City, or Olivia, was a short-lived town, steamboat landing, and ferry crossing on the Colorado River in what was then Yuma County, Arizona Territory, from 1863 to 1866. It was located on the Arizona bank of the Colorado River, 1 mile above its rival Mineral City and 1/2 mile above the original site of Ehrenberg, Arizona, 3 miles southwest of the location of La Paz. The GNIS location of Olive City (historical) is indicated as being in La Paz County, Arizona, but its coordinates in the present-day now put it across the river just within Riverside County, California. Olive City was named after Olive Oatman who had been, with her sister, survivors of the massacre of her family and a captive of the Yavapai until purchased from them by the Mohave who they lived with for several years.
George A. Johnson & Company was a partnership between three men who pioneered navigation on the Colorado River. Benjamin M. Hartshorne, George Alonzo Johnson and Alfred H. Wilcox. The George A. Johnson & Company was formed in the fall of 1852, and was reorganized as the Colorado Steam Navigation Company in 1869.
United States 
Confederate States