Illinois.—Incorporated in Northwest Territory in 1787. Territory of Indiana in 1800. Territory of Illinois in 1809. State of Illinois in 1818.
Missouri.—Territory of Missouri 1812. Admitted as a State in 1821. (French Cession.)
Michigan.—Incorporated in Northwest Territory in 1787. Territory of Indiana in 1800. Territory of Michigan in 1805. State of Michigan 1837.
Iowa.—Territory of Michigan 1834. Territory of Wisconsin 1836. Territory of Iowa 1838. State of Iowa 1846. (French Cession.)
Wisconsin.—Incorporated in the Northwest Territory 1787. Territory of Indiana 1800. Territory of Illinois 1809. Territory of Michigan 1818. Territory of Wisconsin 1836. State of Wisconsin 1848.
California.—Ceded by Mexico 1848. Admitted as State 1850.
Minnesota.—Territory of Michigan 1834. Territory of Wisconsin 1836. Territory of Iowa 1838. Territory of Minnesota 1849. State of Minnesota 1858. (French Cession.)
Oregon.—Territory of Oregon 1848. State of Oregon 1859.
Kansas.—Territory of Kansas 1854. State of Kansas 1861. (French Cession.)
Nevada.—Ceded by Mexico 1848. Territory of Utah 1850. Territory of Nevada 1861. State of Nevada 1864.