|1st Louisiana Regiment Infantry|
|Active||July 30, 1862 – December 18, 1865|
|Country||United States of America|
|Allegiance||File:US flag 34 stars.svg USA|
|Branch||Union Army, American Civil War|
|Engagements||Siege of Port Hudson|
Red River Campaign
|Port Hudson||Ltc William O. Fiske|
The unit was organized at New Orleans, Louisiana on July 30, 1862 and remained on duty there until January, 1863. They then moved to Baton Rouge where they remained until March, after which they participated in operations against Port Hudson, and in the Siege of Port Hudson culminatingin the surrender on July 9, 1863.
The regiment participated in the Red River Campaign from March to May, 1864.
The unit mustered out on July 12, 1865.
- Dyer, Frederick Henry (1908). Compendium of the War of the Rebellion: Regimental Histories. New York: T. Yoseloff. http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A2001.05.0146%3Achapter%3D16%3Aregiment%3DLA11.
- "Union Regimental Histories - Louisiana - 1st Regiment Infantry". The Civil War Archive. http://www.civilwararchive.com/Unreghst/unlainf.htm#1stinf. Retrieved 2010-05-17.
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