00:00 Five U.S. states were once independent countries, with some like Texas having unique historical claims of independence.

02:17 Five U.S. states were once independent countries with unique histories, including Texas's declaration as a sovereign nation.

04:19 Five U.S. states were once independent countries: Texas briefly declared independence in 1826 but was quickly subdued by Mexican forces; the Republic of Indian Stream sought autonomy due to unclear borders between British and American territories, lasting three years before joining New Hampshire after local disputes over taxation; Oregon's provisional government functioned from May 1843 to March 1849 until U.S. jurisdiction was established following ambiguous boundaries with Britain leading settlers there seeking self-governance, including their own constitution and militia.

06:18 Five U.S. states briefly existed as independent entities due to border ambiguities with Mexico or Spain before eventual annexation by the United States.

08:18 The Vermont Republic declared its independence as New Connecticut in 1777 but eventually joined the United States as the 14th state in 1791. The Texas Revolution concluded with Mexico's defeat at San Jacinto on March 2, 1836, establishing the independent Republic of Texas lasting for ten years before its annexation to the US in 1845.

10:32 Between the late 18th and early 19th centuries, Texas declared independence from Mexico in 1836 but remained an independent republic before joining US as a slave state post American Civil War.

12:41 Between late 18th to early 19th centuries, Texas declared independence from Mexico in 1836 but remained an independent republic before joining the U.S as a slave state post American Civil War.