California State Military Department
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Preserving California's Military Heritage
California and the Civil War
Regiments of the California Volunteers in Federal Service
 
1st Battalion of Mountaineers
 
Organized at large May 30, 1863, to March 16, 1864, for special service in Humboldt County. Attached to Humboldt District, Department of the Pacific.
 
 
Battalion mustered out June 14, 1865.
 
1st Battalion of Native Cavalry
 
Organized at large in California March 1863, to July 1864. Attached to Department of the Pacific.
 
Battalion assigned to duty in District of Arizona May, 1865, and operating against Indians in that District until April, 1866. Mustered out April 2, 1866.
1st Regiment of Cavalry
 
Organized as a Battalion of 5 Companies at Camp Merchant, near Oakland, California., and mustered in as follows:
 
 
Seven new Companies organized and mustered in as follows:
 

Companies "A," "B," "C," "D," "E" moved to Southern California and duty at Los Angeles (three companies) and at San Bernardino (two companies.) until March, 1862. Pursuit and capture of Showalter's party at Warner's Ranch, near San Jose Valley, November 20-29, 1861 (Detachment). Attached to Carlton's California Column, organized for an Expedition to recapture the Forts and Posts in Arizona and New Mexico, March, 1862. March to Stanwix Rancho, Arizona, March 1-16. Carlton's Expedition through Arizona to Northwest Texas and Indian Territory April 8-September 20. Led advance guard of the Column on its march across the Yuma and Colorado Deserts to the Rio Grande River. March to Picacho Pass April 8-15. Action at Picacho Pass April 15. March to Pimos Villages April 16-24. Expedition to Kenyon Station April 26-29. Duty at Pimos Villages until May 15. March to Tucson May 15-20. Occupation of Tucson May 20. Reoccupation of Fort Breckenridge, afterwards Fort Stanford, at Junction of the Gila and San Pedro Rivers, May 24, and duty there until June 17. Moved to Tucson, thence to Fort Thorne, Arizona, on the Rio Grande River, June 21-July 6. Reoccupation of Fort Thorne July 6. Expedition for the reoccupation of Mesilla, Fort Fillmore and Fort Bliss July 15-19. At Las Cruces until August 16. Expedition to Fort Bliss and Fort Quitman August 16-22. At Camp Johnson, Texas, until October. Affair at San Pedro Crossing, Arizona, September 21 (Detachment). At Mesilla, Arizona, until January, 1863. Expedition against Apache Indians November 15-December 31, 1862. White Mountains November 15. At Fort West, Department. of New Mexico, until September, 1863. Skirmish at Bonito Rio, N. Mex., March 27 (Companies. "A," "B" and "L"). Skirmish near Fort Bowie, Arizona, April 25 (Detachment). Operations against Navajo Indians in New Mexico August 20-December 16, 1863. Skirmish at San Pedro Crossing, Arizona, August 22. Fort Bowie, Arizona, August 27 (Company "E"). Duty at Las Cruces, New Mexico, until December, 1863. Companies scattered at various points and Posts in Districts of Arizona and California and Departments. of New Mexico and the Pacific until September, 1866. Skirmish at Oregon Mountains, Oregon, January 28, 1864 (Company "D"). Skirmish at Foot of Sierra Bonito, N. Mex. (Company "C"). Doubtful Canon, N. Mex., May 4 (Company "I"). Spencer's Ranch, near Presidio del Norte, N. Mex., May 15 (Co. "A"). Expedition from Fort Craig, New Mexico, to Fort Goodwin, Arizona, May 16-August 2. Expedition to Gila River May 25-July 13 (Companies "C," "F" and "L"). Scout in Southeast Arizona July 6-24 (Company "C"). Croton Springs, Arizona, July 14 (Company "L"). Expedition to Pinal Mountains, Arizona, July 18-August 17 (Company "E"). Company "I" at Fort Goodwin, Arizona, July, 1864, to November, 1865, and at Fort McDowell until April, 1866. Expedition to Southwest New Mexico July 23-October 10, 1864 (Company "C"). Expedition from Fort Craig to Fort Goodwin, Arizona, October 1-November 27, 1864. St. Vrain's Old Fort, Canadian River, November 25, 1864 (Companies "B," "K" and "M"). Fort Buchanan, Arizona, February 17, 1865. Scout from Fort Sumner May 10-19, 1865. Scout from Camp Nichols June 13-17, 1865 (Company "F"). Skirmish, Santa Fe Road, N. Mex., June 14 (Company "F"). Scout from Fort Sumner to Oscura Mountains June 15-22 (Detachment). Scout from Fort Bowie to Gila River, Arizona, June 26-July 6 (Company "F," "L" and "M"). Sacramento Mountains, New. Mexico, July 1 (Companies. "G" and "H"). Cottonwood Creek July 3 (Companies "F," "L" and "M"). Cavalry Canon July 4 (Companies "F," "L" and "M"). Expedition from Fort Bowie to Maricopa Wells July 10-21 (Detachment). La Monica Springs, New Mexico, September 4, 1865 (Companies. "G" and "H"). Company "L" stationed at Camp Union, California, October, 1863, to January, 1864; Drum Barracks, California, February and March, 1864; Riventon, Arizona, April and May, 1864; Tubac, Arizona, to June, 1865; Fort Bowie, Arizona, to February, 1866; Fort McDowell, February, 1866. Regiment mustered out March 6 to October 19, 1866.


1st Regiment of Infantry,
 
Organized at large August to October, 1861. Company "K" organized February 12, 1862. Attached to Departments of the Pacific and New Mexico.
 
In camp at Oakland until October, 1861, and near Los Angeles, California., until December, 1861. Pursuit and capture of Showalter's party at Warner's Ranch, San Jose Valley, November 20-29, 1861 (Companies. "F" and "G"). Moved to Fort Yuma, December, 1861, and duty there until April, 1862 (Companies. "B," "D," "F," "H" and "I"). Company "D" at San Diego. Companies "A" and "C" at Camp Latham. Carleton's Expedition from Southern California through Arizona to Northwest Texas and New Mexico April-10-September 20, 1862. March from Fort Yuma to Pinos Villages, thence to Tucson, April 10-May 20. Expedition up the Gila River and engagement at Pechecho Pass April 15 (Co. "I"). March from Tucson, Arizona, across Desert to the Rio Grande River July 20-August 15. At La Mesilla until December 25. Moved to Fort Craig December 25-30. Duty by detachments at posts in New Mexico and Arizona, Las Cruces, Los Pinos, Franklin, Texas; Forts West, Craig, Selden, Union, Cummings, McRae, Whipple and Sumner, and operating against Indians in the Districts of New Mexico, Arizona and Utah, until October, 1866. Skirmish at Pinos Altas Mines January 29, 1863 (1 Co.). Company "G" at Camp Wright, California., January 1 to March 9, 1862. Moved to Fort Yuma and duty there until July 19. Moved to Tucson, Arizona, and duty there until December 2. At Messilla until April 20, 1863. At Franklin, Texas, until June 26. March to Fort McRae June 26-July 3. Rio de Los Animos July 19. Expedition to Alamcito Mountains against Indians August 9-20, 1863. Expedition to Jornado Del Muerta August 9-20, 1863. Expedition to Jornado Del Muerta August 26-29. Operations against Navajo Indians August 20-December 16, 1863. Scout from Fort Wingate to Ojo Redondo September 15-October 5 (2 Companies.). Expedition against Indians in New Mexico November 5-15 and December 5-7, 1863. Scout in Southeastern Arizona July 6-24, 1864 (Co. "D"). Expedition from Fort Union August 4-September 15 (Detachment). Affair, San Andreas Mountains, August 12 (Detachment). Scout in Cimarron River, Northeast New Mexico, September 18-October 5. Engagement with Indians at Adobe Fort, on Canadian River, New Mexico, November 25 (Companies. "A" and "K"). Scout from Fort Cummings April 28-May 13, 1865 (Co. "G"). Duty in Districts of New Mexico, Arizona and Utah until October, 1866. Mustered out October 21, 1866.
2nd Regiment of Cavalry
 
Organized at San Francisco September 5 to October 18, 1861.
 

2nd Regiment of Infantry
 
Organized at San Francisco and Carson City September 2, 1861, to December 30, 1862. Attached to Department. of the Pacific. Companies "A," "B," "C," "D" and "E" ordered to District of Oregon October 17, 1861.
 
 
Regiment mustered out July 2, 1866.
3rd Regiment of Infantry
 
Organized at Stockton and Benicia Barracks September 15 to December 3, 1861. Attached to Districts of California and Utah, Department. of the Pacific. Duty at Benicia Barracks until July, 1862.
 
4th Regiment of Infantry
 
Organized at Sacramento, Placerville and Auburn September to October, 1861. Attached to Department. of the Pacific. Companies "A," "B," "C," "D" and "E" moved from San Francisco to Fort Vancouver, Washington Territory, October 29-November 4, 1861.
 
Regiment mustered out April 18, 1866.
5th Regiment of Infantry
 
Organized in California at large September to November. 1861. Attached to Departments. of the Pacific and New Mexico.
 
SERVICE.--Ordered to Camp Latham, Southern California, February 1, 1862. Carlton's Expedition from Southern California through Arizona to Northwest Texas and New Mexico April 13-September 20 (Companies. "B" and "G"). Regiment garrison posts in Southern California and Arizona. Company "D" at San Diego. Companies "C," "F," "H," "I" and "K" at Camp Wright and Fort Bowie. Companies "A" and "E" at Fort Barrett. Companies "B" and "G" at Tucson until December, 1862. Company -- march to Tucson July 6, 1862. March from Tucson to the Rio Grande July 25-August 15, 1862 (Companies. "A," "B" and "G"). December, 1862, stationed at Tucson, Company "F"; at Fort Bowie, Companies "E" and "G"; at Fort Yuma, Companies "C" and "H"; at Camp Drum, Companies "D," "I" and "K." Engagement at Pinos Altos Mines January 29, 1863 (Co. "A"). To Tucson and Messilla February, 1863 (Companies. "C" and "H"). Engagement at Cajou de Arivaypo, Apache Pass, April 25, 1863 (Co. "K"). Stationed May, 1863, at Fort Stanton (Co. "A"), Fort Bowie (Co. "E"), Tucson (Companies. "C," "F" and "H"), Fort Craig (Companies. "B," "D," "G," "I" and "K"). Skirmish, Cajou de Arivaypa, May 7, 1863. At Fort Stanton June, 1863. Crook's Canon, New Mexico, July 24, 1863 (Co. "E"). Skirmishes, Chirlcahua Mountains, September 8-9, 1863. Skirmish, Gila River, November 5, 1863. Skirmish, San Andreas Mountains, January 26, 1864 (Detachment). Operations in New Mexico and Arizona February 1-March 7, 1864. Expedition from Camp Mimbres February 24-29, 1864 (Detachment). Pines Altos, Arizona., February 27, 1864. Skirmish at foot of Sierra Bonita April 7, 1864 (Companies "F" and "I"). Doubtful Canon, New Mexico, May 4, 1864 (Company "I"). Gila River Expedition, Arizona, May 25-July 13, 1864 (Companies "E," "I" and "K"). Expedition from Fort Craig, New Mexico, to Fort Goodwin, Arizona., May 16-August 2, 1864 (Companies "A," "C" and "E"). At Fort Goodwin until October (Companies. "A," "C" and "E"). June, 1864, stationed at Camp Mimbres, Arizona. (Companies. "A" and "F"), at Fort Bowie (Co. "K"), at Franklin, Texas (Companies. "G" and "H"), at Tucson (Co. "D"), at Fort Cummings (Co. "I"). Scout in Southeastern Arizona July 16-24, 1864 (Co. "A"). Expedition to Pinal Mountains July 18-August 7, 1864 (Co. "E"). Expedition to Southwest New Mexico July 23-October 10, 1864 (Companies. "B" and "F"). Ordered to Las Cruces October 8, 1864 (Companies. "A," "C," "D," "E," "I" and "K"). Company "F" to Fort Cummings October, 1864. Mustered out November 27 to December 14, 1864.
6th Regiment Infantry
 
Organized at San Francisco October 21, 1862. Attached to Department. of the Pacific. Duty at Benicia Barracks, San Francisco.
 
Regiment mustered out October 25 to December 20, 1865.
7th Regiment of Infantry
 
Organized at large October to December, 1864. Attached to Department of the Pacific. Companies "A," "C" and "K" ordered from San Francisco to Camp Drum, Southern California, March, 1865. Companies "A" and "K" to Fort Yuma. Company "C" to Fort Mojave. Regiment moved to District of Arizona June, 1865, and duty there, stationed at various posts, until June, 1866. Mustered out June 28, 1866.
8th Regiment Infantry
 
Organized by Companies as follows:
Regiment mustered out October 24, 1865


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