Template:US territory dates

Territory flags and dates

(listed alphabetically)
American Samoa: Apr. 17, 1900 Guam: Apr. 11, 1899 Northern Mariana Islands: Nov. 4, 1986 Puerto Rico: Apr. 11, 1899 US Virgin Islands: Mar. 31, 1917

(listed chronologically)
Apr. 11, 1899: Guam Apr. 11, 1899: Puerto Rico Apr. 17, 1900: American Samoa Mar. 31, 1917: US Virgin Islands Nov. 4, 1986: Northern Mariana Islands

Territory date is the date the territory was acquired by the United States. The USMOI are not listed.