When each US state joined the Union

From the original 13 colonies (1787–1790) to Alaska and Hawaii in 1959.

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1787–1790 (original 13) (13)

Carolina do Norte, Carolina do Sul, Connecticut, Delaware, Geórgia, Maryland, Massachusetts, Nova Hampshire, Nova Iorque, Nova Jérsia, Pensilvânia, Rhode Island, Virgínia

1791–1850 (18)

Alabama, Arkansas, Califórnia, Flórida, Illinois, Indiana, Iowa, Kentucky, Luisiana, Maine, Michigan, Mississippi, Missouri, Ohio, Tennessee, Texas, Vermont, Wisconsin

1851–1900 (14)

Colorado, Dakota do Norte, Dakota do Sul, Idaho, Kansas, Minnesota, Montana, Nebraska, Nevada, Oregon, Utah, Virgínia Ocidental, Washington, Wyoming

1901–1959 (5)

Alasca, Arizona, Havaí, Novo México, Oklahoma