1st Pennsylvania Infantry Regiment
| 1st Pennsylvania Volunteer Infantry | |
|---|---|
Pennsylvania flag | |
| Active | April 20 – July 27, 1861 |
| Country | United States |
| Allegiance | Union |
| Branch | United States Army Union Army |
| Type | Infantry |
| Engagements | American Civil War |
| Pennsylvania U.S. Volunteer Infantry Regiments 1861–1865 | ||||
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The 1st Pennsylvania Infantry was an infantry regiment in the Union Army during the American Civil War that served for three months at the beginning of the war.