The District of Southern California was a district of a new department of the United State's Army called Department of the Pacific.
The department was created on January 15, 1861 during the American Civil War. By 1863, the department had five districts, including the District of Southern California, which was established on September 25, 1861. It was comprised of San Luis Obispo County, Tulare County, Santa Barbara County, Los Angeles County, San Bernardino County, and San Diego County. Its first headquarters was located at Camp Latham, located west of Los Angeles. The headquarters was later moved to Drum Barracks.
Commanders
Colonel George Wright, October 4, 1861 - October 14, 1861
Colonel James H. Carleton, October 14, 1861 - November 18, 1861 (Carlton was relieved from command November 18, 1861 and resumed command February 5, 1862.)
Colonel Joseph R. West, January 1862 - February 5, 1862
Colonel James H. Carleton, February 5, 1862 - May 15, 1862
Colonel Ferris Foreman, May 15, 1862 - May 17, 1862
Colonel George W. Bowie, May 17, 1862. - February 7, 1863
Lieutenant Colonel Harvey Lee, February 7, 1863 - April 10, 1863
Colonel Ferris Forman, April 10, 1863 - June 19, 1863
Lieutenant Colonel James F. Curtis, June 19, 1863 - July 27, 1865
On July 27, 1865, the Military Division of the Pacific was created under Major General Henry W. Halleck, replacing the Department of the Pacific. The department consisted of the Department of the Columbia and the expanded Department of California absorbing the District of Southern California that now consisted of the States of California and Nevada and the Territory of New Mexico and Territory of Arizona.
Sept. 7, 1861. Skirmish near the upper Santa Ana Canyon, California.
Sept. 14, 1861. Col. George Wright, U. S. 9th Infantry Regiment, assigned to command all troops serving in Southern California.
Sept. 25, 1861. The District of Southern California created, uniting the counties of San Luis Obispo, Buena Vista, Tulare, Santa Barbara, Los Angeles, San Bernardino, and San Diego. Col. George Wright was assigned to its command.
Oct. 5, 1861. Expedition from San Bernardino to the Temecula Ranch and Oak Grove, California.
Oct. 4, 1861. Col. George Wright, U. S. 9th Infantry Regiment, assumes command of the District of Southern California.
Oct. 14, 1861. Col. George Wright, U. S. 9th Infantry Regiment, transfers command of District of Southern California to Col. James H. Carleton, First California Infantry.
Nov. 18, 1861. Col. James H. Carleton, First California Infantry, relieved from command of the District of Southern California.
Nov. 20-29, 1861. Pursuit and capture of the Showalter Party at Warner's Ranch in the San Jose Valley, California.
Feb. 5, 1862. Col. James H. Carlton, First California Infantry, resumes command of the District of Southern California.
March 19-Apr. 28, 1862. Expedition from Camp Latham to Owens River, California, with skirmish on April 9 near Bishops Creek, in the Owens River Valley.
Apr. 10, 1862. Col. Ferris Forman, 4th California Infantry, assumes command of the District of Southern California.
Apr. 13 - Sept. 20, 1862. Expedition from Southern California, through Arizona, to northwestern Texas and New Mexico.
May 15, 1862. Expedition from California to Arizona and New Mexico, organized as the Column from California, Col. James H. Carleton, First California Infantry, commanding. Col. James H. Carleton relinquishes command of the District of Southern California.
May 17, 1862. Col. George W. Bowie, Fifth California Infantry, assumes command of the District of Southern California.
June 11 - Oct. 8, 1862. Expedition from Camp Latham to Owen's River, Cal., with skirmish on June 24 at Owen's Lake.
August 26, 1862. Col. James H. Carleton, First California Infantry, assigned to command tho Department of New Mexico.
August 30, 1862. The District of Arizona constituted to comprise all the territory from Fort Thorn, New Mexico, along the north bank of the Rio Grande to Fort Quitman, Texas.
Sept. 5, 1862. Maj. David Fergusson, First California Cavalry, relieved from command of the District of Western Arizona. Maj. Theodore A. Coult, Fifth California Infantry, assigned to command of the District of Western Arizona. Col. Joseph R. West, First California Infantry, assumes command of the District of Arizona.
Feb. 7, 1863. Lieut. Col. Harvey Lee, Fourth California Infantry, assumes command of the District of Southern California.
April 10, 1863. Col. Ferris Forman, Fourth California Infantry, assumes command of the District of Southern California.
April 12–24, 1863. Expedition from Camp Babbitt to Keysville, California.
April 24 - May 26, 1863. Operations in Owen's River and adjacent valleys, Cal.
May 19, 1863. Lieut. Col. James F. Curtis, Fourth California Infantry, assigned to command the District of Southern California, relieving Col. Ferris Forman.
Jan. 2, 1864. Occupation of Santa Catalina Island, Cal.
July 1, 1864. Maj. Gen. Irvin McDowell, U. S. Army, assumes command of the Department of the Pacific. Brig. Gen. George Wright, U. S. Army, assigned to command the District of California.
July 27, 1865. The Military Division of the Pacific replaced the Department of the Pacific and consisted of the Departments of California and the Columbia. Maj. Gen. Henry W. Halleck, U. S. Army, was assigned to command the Military Division of the Pacific. The District of Southern California was absorbed into the newly created Department of California, consisting of the States of California and Nevada and the Territories of New Mexico and Arizona. Maj. Gen. Irvin McDowell, U. S. Army, was assigned to command the Department of California.
New San Diego Depot, 1851 - June, 1866.
Fort Yuma, 1851 – 1883
Fort Tejon 1854 - 1861, 1863 - 1864
Camp San Bernardino 1858, 1861
Fort Beale 1859 - 1861
Fort Piute 1864 - 1868
Fort Soda, Hancock's Redoubt 1860
Fort Soda Lake or Camp Soda Springs 1863 - 1868
Camp Cady, 20 miles east of Barstow 1860, 1862, 1864 - 1871
Camp Fitzgerald June 1861 - September 20, 1861
Fort on Pine Creek 1861-1865
Camp Latham, September 1861 - March 1862
Camp Kellogg 1861 - 1862
Camp Carleton Fall 1861 - 1862
Camp near Temecula 1861-1865
Camp Wright, October 18, 1861 - December 1866
Camp Drum later the Drum Barracks, January, 1862 - November 7, 1871.
New Camp Carleton 1862-1865
Post at Kline's Ranch, 1862
Camp Laguna Grande 1862
Camp Babbitt, June 24, 1862 - August 19, 1866
Camp Leonard, 15 miles northeast of Keysville 1863
Camp Morris, in San Bernardino June 6, 1863 - October 27, 1863
Camp Independence July 4, 1862 - July 5, 1877
Camp Coster1862 - 1863
Camp Bishop Creek 1863
Camp Leonard 1863
Redoubt Bitter Springs 1863-1868
Camp Giftaler Ranch, 1863
Camp Santa Barbara 1864
Camp Santa Catalina Island, 1864
Camp Rancho Cucamonga 1864
Camp San Felipe 1865
