Wyoming
| YEAR | DATE | EVENT | GOVERNOR | 
| 1805 |  | Part of Louisiana |  | 
| 1812 | 7 december | Part of Missouri |  | 
| 1854 |  | Part of Nebraska |  | 
| 1861 |  | Part of Dakota |  | 
| 1864 |  | Part of Montana |  | 
| 1868 | 25 july | U.S. Territory | John A. Campbell | 
| 1875 | 1 march |  | John M. Thayer | 
| 1878 | 29 may |  | John W. Hoyt | 
| 1882 | 22 august |  | William Hale | 
| 1885 | 13 january |  | E.S.N. Morgan (I) | 
| 1885 | 28 february |  | Francis E. Warren (I) | 
| 1886 | 11 november |  | George W. Baxter | 
| 1886 | 20 december |  | E.S.N. Morgan  (II) | 
| 1887 | 24 january |  | Thomas Moonlight | 
| 1889 | 9 april |  | Francis E. Warren (II) | 
| 1890 | 10 july | 44^ state of U.S.A. | 
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