Admission of Belize and Guyana (1985-1989)

Readmission of Alabama and Mississippi (1973-1974)

Readmission of North Carolina and Florida (1969-1973)

Admission of Baja California Chihuahua , and Sonora (1968-1969)

Readmission of Louisiana Texas , and Virginia (1967-1968)

Admission of Alaska and the Sandwich Islands (1966-1967)

Readmission of Arkansas and Georgia (1965-1966)

Admission of Columbia Newfoundland , and Acadia (1962-1964)

Admission of Alberta and readmission of Kentucky (1959-1962)

Admission of New Mexico (1909-1921)

Admission of Dakota Montana , and Washington (1890-1891)

Removal of Alabama Texas , and Virginia (1879-1890)

Admission of Niagara and Nipigon (1841-1845)

Admission of Alabama and Maine (1820-1822)

Admission of Indiana Ohio , and Tennessee (1818-1819)

Admission of Kentucky and Vermont (1795-1818)

First adopted flag (representing all 13 colonies/states) (1777-1795)

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