Genealogy Trails

State Admission Dates


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STATE NAME

STATEHOOD DATE

PRE-STATEHOOD NOTES

Delaware

Dec. 7, 1787

The first of the original 13 colonies.

Pennsylvania

Dec. 12, 1787

The second of the original 13 colonies.

New Jersey

Dec. 18, 1787

The third of the original 13 colonies.

Georgia

Jan. 2, 1788

The fourth of the original 13 colonies

Connecticut

Jan. 9, 1788

The fifth of the original 13 colonies.

Massachusetts

Feb. 6, 1788

The sixth of the original 13 colonies

Maryland

April 28, 1788

The seventh of the original 13 colonies.

South Carolina

May 23, 1788

The eighth of the original 13 colonies.

New Hampshire

June 21, 1788

The ninth of the original 13 colonies

Virginia

June 25, 1788

The 10th of the original 13 colonies.

New York

July 26, 1788

The 11th of the original 13 colonies.

North Carolina

Nov. 21, 1789

The 12th of the original 13 colonies.

Rhode Island

May 29, 1790

The 13th of the original 13 colonies.

Vermont

March 4, 1791

Until statehood, had been a region claimed by both New York and New Hampshire

Kentucky

June 1, 1792

Never a territory, it was part of Virginia until statehood.

Tennessee

June 1, 1796

Was Southwest Territory before statehood.

Ohio

March 1, 1803

Was part of the Northwest Territory until statehood.

Louisiana

April 30, 1812

With certain boundary changes, had been the Territory of Orleans.

Indiana

Dec. 11, 1816

There was a residue of Indiana Territory that continued to exist under that name until Dec. 3, 1818, when it was attached to Michigan Territory.

Mississippi

Dec. 10, 1817

Territory by Act of April 7, 1798, effective May 7, 1798.

Illinois

Dec. 3, 1818

.

Alabama

Dec. 14, 1819

Territory by Act of March 3, 1817, effective Aug. 15, 1817.

Maine

March 15, 1820

What is now the state of Maine was, before statehood, called the District of Maine and belonged to Massachusetts.

Missouri

Aug. 10, 1821

The state was much smaller than the territory. The area to the west and northwest of the state, which had been in the territory, was commonly known as the "Missouri Country" until May 30, 1854, and certain of the post offices in this area show a Missouri abbreviation in the postmark.

Arkansas

June 15, 1836

The territory was larger than the state. After statehood the leftover area to the west had post offices that continued for some years to use an Arkansas abbreviation in the postmarks, although they were really in the "Indian Country."

Michigan

Jan. 26., 1837

.

Florida

March 3, 1845

.

Texas

Dec. 29, 1845

Was an independent republic before statehood.

Iowa

Dec. 28, 1846

.

Wisconsin

May 29, 1848

The state is smaller than the territory and the leftover area continued to be called the Territory of Wisconsin until March 3, 1849.

California

Sept. 9, 1850

Ceded by Mexico by the Treaty of Guadalupe-Hidalgo, concluded Feb. 2, 1848, and proclaimed July 4, 1848. From then until statehood, California had a military government until Dec. 20, 1849, and then a local civil government. It never had a territorial form of government.

Minnesota

May 11, 1858

.

Oregon

Feb. 14, 1859

.

Kansas

Jan. 29, 1861

.

West Virginia

June 20, 1863

Was part of Virginia until statehood.

Nevada

Oct. 31, 1864

.

Nebraska

March 1, 1867

.

Colorado

Aug. 1, 1876

.

North Dakota

Nov. 2, 1889

Was part of Dakota Territory before statehood. Admitted on same day as South Dakota

South Dakota

Nov. 2, 1889

Was part of Dakota Territory before statehood. Admitted on same day as North Dakota

Montana

Nov. 8, 1889

.

Washington

Nov. 11, 1889

.

Idaho

July 3, 1890

.

Wyoming

July 10, 1890

.

Utah

Jan. 4, 1896

.

Oklahoma

Nov. 16, 1907

The state was formed from Oklahoma Territory and Indian Territory.

New Mexico

Jan. 6, 1912

.

Arizona

Feb. 14, 1912

This region was sometimes called Arizona before 1863, although it was still in the Territory of New Mexico.

Alaska

Jan. 3, 1959

A district from Oct. 18, 1867, until it became an organized territory Aug. 24, 1912.

Hawaii

Aug. 21, 1959

The territorial date Aug. 12, 1898 is that of the formal transfer to the United States, with Sanford B. Dole as first Governor.


 


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