Army of the Trans-Mississippi
| Trans-Mississippi Army | |
|---|---|
Flag | |
| Active | 1862–1865 |
| Disbanded | May 26, 1865 |
| Country | Confederate States |
| Branch | Army |
| Size | Field army |
| Part of | Trans-Mississippi Department |
| Headquarters |
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| Wars |
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The Trans-Mississippi Army was a field army of the Confederate States Army in the Trans-Mississippi Theater of the American Civil War. It was the last major Confederate command to surrender, submitting on May 26, 1865, exactly one month after General Johnston had surrendered in the eastern United States.