The Department of the Pacific or Pacific Department was a major command (Department) of the United States Army from 1853 to 1858. It replaced the Pacific Division, and was itself replaced by the Department of California and the Department of Oregon.
The Pacific coast theater of the American Civil War consists of major military operations in the United States on the Pacific Ocean and in the states and Territories west of the Continental Divide. The theater was encompassed by the Department of the Pacific that included the states of California, Oregon, and Nevada, the territories of Washington, Utah, and later Idaho.
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 Department of the Missouri was a command echelon of the United States Army in the 19th century and a sub division of the Military Division of the Missouri that functioned through the Indian Wars.
The 2nd Regiment California Volunteer Cavalry was a cavalry regiment in the Union Army during the American Civil War. It spent its entire term of service in the western United States, with most of its companies dispersed to various posts.
The District of Southern California was a 19th-century district of Department of the Pacific, a command of the United States Army.
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 District of Oregon was a Union Army command department formed during the American Civil War.
The 2nd Regiment California Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War. It spent its entire term of service in the western United States. Organized at San Francisco and Carson City September 2, 1861, to December 30, 1862, and attached to Department of the Pacific. The regiment was first assembled at the Presidio, San Francisco, and after completing its organization, five companies were sent to Oregon and Washington Territory, to relieve the regular troops, and two companies were sent to Santa Barbara. The troops of this regiment sent to Oregon were afterwards returned to California. It was mustered out during the month of October, 1864.
During the American Civil War in the early 1860s, the District of Utah was a subordinate district of the U.S. Army's Department of the Pacific. The district was composed of territorial areas that later became parts of the modern U.S. states of Idaho, Nevada, and Utah.
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.
The District of California was a Union Army command department formed during the American Civil War. The district was part of the Department of the Pacific, the commander of the department also being District commander. The district was created as a separate command on July 1, 1864, after Irvin McDowell took command of the Department of the Pacific, relieving General Wright, who then remained as District of California commander. The District comprised the state of California and the areas of the Rogue River and Umpqua River in Southern Oregon. Its headquarters were in San Francisco, co-located with those of the Department of the Pacific. On March 14, 1865, the District of Oregon was extended to include the entire state of Oregon, removing the Rogue River and Umpqua River areas from the District.
The 7th California Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It spent its entire term of service in the western United States, attached to the Department of the Pacific, serving in California and Arizona Territory. They were unofficially known as the "Gold Diggers" in reference to the large number of recruits from the California's "Mother Lode" region. Later, they were also called the "Hungry Seventh" for the privations they suffered in Arizona, particularly at Fort Mason. They saw combat at the Battle of Chiricahua Mountains, and at Skull Valley. The Regiment included many veterans of the Mexican–American War.
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 Department of California was an administrative department of the United States Army. The Department was created in 1858, replacing the original Department of the Pacific, and it was ended by the reorganizations of the Henry L. Stimson Plan implemented in February 1913. As with the preceding organization, headquarters were in San Francisco. Its creation was authorized by General Orders, No. 10, of the War Department, Adjutant-General's Office, September 13, 1858.
The Department of the Columbia was a major command (Department) of the United States Army during the 19th century.
During the American Civil War, a department was a geographical command within the Union's military organization, usually reporting directly to the War Department. Many of the Union's departments were named after rivers or other bodies of water, such as the Department of the Potomac and the Department of the Tennessee. The geographical boundaries of such departments changed frequently, as did their names. As the armies became larger Departments began to be subordinated to Military Divisions, and the Departments were often sub divided into Districts and from 1862 Subdistricts. Much information on Civil War departments can be found in Eicher & Eicher, Civil War High Commands.
The Department of Arizona was a military department of the United States Army that existed from 1870 to 1893. It was subordinate to the Military Division of the Pacific and comprised posts in Arizona and Southern California. It was the successor to the District of Arizona within the Department of California. From 1870 to 1886, Fort Whipple, Arizona was the department's headquarters. Afterwards it was headquartered at Drum Barracks in Wilmington, California.
The District of New Mexico was a military district of the United States Army in the Territory of New Mexico that existed from 1865 to 1890. The District of Arizona and the District of New Mexico replaced the Department of New Mexico from June 27, 1865.
Henry Erastus Noyes was a United States Army Officer who served during the American Civil War, American Indian Wars and Spanish–American War.
