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| YEAR | DATE | EVENT | GOVERNOR |
| 1595 | Part of Spanish colony of New Spain (Mexico) | ||
| 1822 | Part of Mexico | ||
| 1846 | august | U.S. occupation | Stephen Watts Kearny |
| 1846 | september | Charles Bent | |
| 1847 | 19 january | Sterling Price | |
| 1848 | Sterling Price | ||
| 1849 | John Munroe | ||
| 1850 | 9 september | U.S. Territory | |
| 1851 | James S. Calhoun | ||
| 1852 | Edwin V. Sumner | ||
| 1852 | John Greiner | ||
| 1852 | William C. Lane | ||
| 1853 | William S. Messery | ||
| 1854 | David Meriwether | ||
| 1857 | Abraham Rencher | ||
| 1861 | Henry Connelly | ||
| 1865 | W.F.M. Arny | ||
| 1866 | Robert B. Mitchell | ||
| 1869 | William A. Pile | ||
| 1871 | Marsh Giddings | ||
| 1875 | William G. Ritch | ||
| 1875 | Samuel B. Axtell | ||
| 1878 | Lewis Wallace | ||
| 1881 | Lionel A. Sheldon | ||
| 1885 | Edmund G. Ross | ||
| 1889 | Le Baron Bradford Prince | ||
| 1893 | William T. Thornton | ||
| 1897 | Miguel Antonio Otero | ||
| 1906 | Herbert J. Hagerman | ||
| 1907 | George Curry | ||
| 1909 | William J. Mills | ||
| 1912 | 6 january | 47^ state of U.S.A. |