Since the admission of Hawaii to the Union in 1959, there has been a single incorporated territory, the uninhabited Palmyra Atoll ( formerly part of the Hawaii Territory, but excluded from the act of admission ).

Since the admission of Hawaii to the Union in 1959, there have been no incorporated territories other than the uninhabited Palmyra Atoll ( formerly part of the Hawaii Territory, it was excluded from the act of admission ).

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