Category:Military history of the United States by period
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Subcategories
This category has the following 4 subcategories, out of 4 total.
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- 19th-century military history of the United States (13 C, 83 P)
- 20th-century military history of the United States (17 C, 160 P)
- 21st-century military history of the United States (4 C, 28 P)