Historical country records
Guam historical timeline
Guam
| Date or term | Officeholder or event | Category |
|---|---|---|
| 1668 | Spanish colony | Leaders |
| 21 Jun 1898 | U.S. territory | Leaders |
| 12 Dec 1941 - 21 Jul 1944 | Japanese occupation (renamed Omiya Jima) | Leaders |
| 1 Aug 1696 - 15 Sep 1700 | José Madrazo | Governors (of the Mariana Islands) |
| 15 Sep 1700 - 1 Oct 1704 | Francisco Medrano y Asiain | Governors (of the Mariana Islands) |
| 1 Oct 1704 - 1 Oct 1709 | Antonio Villamor y Vadillo | Governors (of the Mariana Islands) |
| 1 Oct 1709 - 21 Nov 1720 | Juan Antonio Pimentel | Governors (of the Mariana Islands) |
| 21 Nov 1720 - 4 Apr 1725 | Luis Antonio Sánchez de Tagle | Governors (of the Mariana Islands) |
| 4 Apr 1725 - 28 Sep 1725 | Juan de Ojeda | Governors (of the Mariana Islands) |
| 28 Sep 1725 - 12 Feb 1730 | Manuel Argüelles y Valdés | Governors (of the Mariana Islands) |
| 12 Feb 1730 - 1 Nov 1730 | Pedro Lazo de la Vega | Governors (of the Mariana Islands) |
| 1 Nov 1730 - 21 Aug 1734 | Diego Félix de Balboa | Governors (of the Mariana Islands) |
| 21 Aug 1734 - 2 Apr 1740 | Francisco Cárdenas Pacheco | Governors (of the Mariana Islands) |
| 2 Apr 1740 - 21 Sep 1746 | Miguel Fernández de Cárdenas | Governors (of the Mariana Islands) |
| 21 Sep 1746 - 8 Sep 1749 | Diego Gómez de la Sierra | Governors (of the Mariana Islands) |
| 8 Sep 1749 - 6 Nov 1756 | Enrique de Olavide y Michelena | Governors (of the Mariana Islands) |
| 6 Nov 1756 - 20 Nov 1759 | Andrés del Barrio y Rabago | Governors (of the Mariana Islands) |
| 20 Nov 1759 - 9 Jun 1768 | José de Soroa | Governors (of the Mariana Islands) |
| 9 Jun 1768 - 15 Sep 1771 | Enrique de Olavide y Michelena | Governors (of the Mariana Islands) |
| 15 Sep 1771 - 15 Jun 1774 | Mariano Tobias | Governors (of the Mariana Islands) |
| 15 Jun 1774 - 6 Jun 1776 | Antonio Apodaca | Governors (of the Mariana Islands) |
| 6 Jun 1776 - 21 Aug 1786 | Felipe de Cera | Governors (of the Mariana Islands) |
| 21 Aug 1786 - 2 Sep 1794 | José Arlegui y León | Governors (of the Mariana Islands) |
| 2 Sep 1794 - 12 Jan 1802 | Manuel Muro | Governors (of the Mariana Islands) |
| 12 Jan 1802 - 18 Oct 1806 | Vicente Blanco | Governors (of the Mariana Islands) |
| 18 Oct 1806 - 26 Jul 1812 | Alejandro Parreno | Governors (of the Mariana Islands) |
| 26 Jul 1812 - 15 Aug 1822 | José de Medinilla y Pineda | Governors (of the Mariana Islands) |
| 15 Aug 1822 - 15 May 1823 | José Montilla | Governors (of the Mariana Islands) |
| 15 May 1823 - 1 Aug 1826 | José Ganga Herrero | Governors (of the Mariana Islands) |
| 1 Aug 1826 - 26 Sep 1831 | José de Medinilla y Pineda | Governors (of the Mariana Islands) |
| 26 Sep 1831 - 1 Oct 1837 | Francisco Ramón de Villabos | Governors (of the Mariana Islands) |
| 1 Oct 1837 - 1 Oct 1843 | José Causillas Salazar | Governors (of the Mariana Islands) |
| 1 Oct 1843 - 4 Apr 1848 | Gregorio Santa Maria | Governors (of the Mariana Islands) |
| 7 Apr 1848 - 8 Sep 1848 | Félix Calvo (acting) | Governors (of the Mariana Islands) |
| 8 Sep 1848 - 16 May 1855 | Pablo Pérez | Governors (of the Mariana Islands) |
| 16 May 1855 - 28 Jan 1866 | Felipe Maria de la Corte | Governors (of the Mariana Islands) |
| 28 Jan 1866 - 17 Aug 1871 | Francisco Moscoso y Lara | Governors (of the Mariana Islands) |
| 17 Aug 1871 - 24 Mar 1873 | Luis de Ybánez y García | Governors (of the Mariana Islands) |
| 24 Mar 1873 - 16 Jan 1875 | Eduardo Beaumont y Calafat | Governors (of the Mariana Islands) |
| 16 Jan 1875 - 15 Aug 1880 | Manuel Bravo y Barrera | Governors (of the Mariana Islands) |
| 15 Aug 1880 - 14 Mar 1884 | Francisco Brochero y Parreno | Governors (of the Mariana Islands) |
| 14 Mar 1884 - 17 Jul 1884 | Enrique Solano (1st time) | Governors (of the Mariana Islands) |
| 17 Jul 1884 - Nov 1884 | Antonio Borreda | Governors (of the Mariana Islands) |
| Nov 1884 - 1885 | Francisco Olive y García | Governors (of the Mariana Islands) |
| 1885 - 20 Apr 1890 | Enrique Solano (2nd time) | Governors (of the Mariana Islands) |
| 20 Apr 1890 - 14 Aug 1891 | Joaquín Vara del Rey | Governors (of the Mariana Islands) |
| 14 Aug 1891 - 23 Aug 1892 | Luis Santos | Governors (of the Mariana Islands) |
| 23 Aug 1892 - 1 Sep 1893 | Vicente Gómez Hernández | Governors (of the Mariana Islands) |
| 1 Sep 1893 - 1893 | Juan Godoy (acting) | Governors (of the Mariana Islands) |
| 1893 - 24 Dec 1895 | Emilio Galisteo Brunenque | Governors (of the Mariana Islands) |
| 24 Dec 1895 - 15 Feb 1897 | Jacobo Marina | Governors (of the Mariana Islands) |
| 15 Feb 1897 - 17 Apr 1897 | Angelo Nieto (acting) | Governors (of the Mariana Islands) |
| 17 Apr 1897 - 21 Jun 1898 | Juan Marina | Governors (of the Mariana Islands) |
| 21 Jun 1898 - 1898 | Henry Glass | Commissioners |
| 1898 | Francisco Portusach Martínez | Commissioners |
| 1898 | José Sisto (1st time) | Commissioners |
| 1898 - 1899 | Venancio Roberto | Commissioners |
| 1899 | José Sisto (2nd time) | Commissioners |
| 1 Feb 1899 - 20 Apr 1899 | Joaquín Cruz Pérez | Commissioners |
| 20 Apr 1899 - 7 Aug 1899 | William Coe (acting) | Governors |
| 7 Aug 1899 - 1900 | Richard P. Leary | Governors |
| 1900 - 1901 | Seaton Schroeder (1st time) | Governors |
| 1901 | William Swift | Governors |
| 19 Jul 1901 - 6 Feb 1903 | Seaton Schroeder (2nd time) | Governors |
| 6 Feb 1903 - Mar 1904 | William Elbridge Sewell | Governors |
| Mar 1904 | Raymond Stone (acting) | Governors |
| Mar 1904 - 2 Nov 1905 | George L. Dyer | Governors |
| 2 Nov 1905 - 3 Dec 1906 | Luke McNamee (1st time) (acting) | Governors |
| 3 Dec 1906 - 3 Oct 1907 | Templin Morris Potts | Governors |
| 3 Oct 1907 - 28 Dec 1907 | Luke McNamee (2nd time) (acting) | Governors |
| 28 Dec 1907 - 5 Nov 1910 | Edward John Dorn | Governors |
| 5 Nov 1910 - 21 Jan 1911 | F.B. Freyer (acting) | Governors |
| 21 Jan 1911 - 30 Jan 1912 | George Robert Salisbury | Governors |
| 30 Jan 1912 - 23 Sep 1913 | Robert Edward Coontz | Governors |
| 23 Sep 1913 - 28 Mar 1914 | A.W. Hinds (acting) | Governors |
| 28 Mar 1914 - 29 Apr 1916 | William John Maxwell | Governors |
| 29 Apr 1916 - 8 May 1916 | William P. Cronan (acting) | Governors |
| 8 May 1916 - 30 May 1916 | E. Simpson (acting) | Governors |
| 30 May 1916 - 15 Nov 1918 | Roy Campbell Smith | Governors |
| 15 Nov 1918 - 22 Nov 1919 | William Wirt Gilmer (1st time) | Governors |
| 22 Nov 1919 - 21 Dec 1919 | W.A. Hodgman (acting) | Governors |
| 21 Dec 1919 - 7 Jul 1920 | William Wirt Gilmer (2nd time) | Governors |
| 7 Jul 1920 - 27 Feb 1921 | Ivan Cyrus Wettengel | Governors |
| 27 Feb 1921 - 7 Feb 1922 | James S. Spore (acting) | Governors |
| 7 Feb 1922 - 8 Dec 1922 | Adelbert Althouse (1st time) | Governors |
| 8 Dec 1922 - 14 Dec 1922 | John P. Miller (acting) | Governors |
| 14 Dec 1922 - 4 Aug 1923 | Adelbert Althouse (2nd time) | Governors |
| 4 Aug 1923 - 26 Aug 1924 | Henry Bertram Price | Governors |
| 26 Aug 1924 - 7 Apr 1926 | A.W. Brown (acting) | Governors |
| 7 Apr 1926 - 11 Jun 1929 | Lloyd Stogell Shapley | Governors |
| 11 Jun 1929 - 1931 | Willis Winter Bradley | Governors |
| 1931 - 21 Jun 1933 | Edmund Spence Root | Governors |
| 21 Jun 1933 - 27 Mar 1936 | George A. Alexander | Governors |
| 27 Mar 1936 - 8 Feb 1938 | Benjamin Vaughan McCondlish | Governors |
| 8 Feb 1938 - 20 Apr 1940 | James Thomas Alexander | Governors |
| 20 Apr 1940 - 12 Dec 1941 | George Johnson McMillin | Governors |
| 1942 - 1944 | Homura | Governors |
| 21 Jul 1944 - 30 May 1946 | Henry L. Larsen | Governors |
| 30 May 1946 - 27 Sep 1949 | Charles Alan Pownall | Governors |
| 27 Sep 1949 - 27 Mar 1953 | Carlton S. Skinner | Governors |
| 27 Mar 1953 - Jun 1956 | Ford Quint Elvidge | Governors |
| Jun 1956 - 2 Oct 1956 | William T. Corbett (acting) | Governors |
| 2 Oct 1956 - 14 Nov 1959 | Richard Barrett Lowe | Governors |
| 14 Nov 1959 - 9 Jul 1960 | Marcellus G. Boss (acting) | Governors |
| 9 Jul 1960 - 20 May 1961 | Joseph F. Flores | Governors |
| 20 May 1961 - 20 Jan 1963 | Bill Daniel | Governors |
| 20 Jan 1963 - 30 Jun 1969 | Manuel F.L. Guerrero | Governors |
| 1 Jul 1969 - 6 Jan 1975 | Carlos G. Camacho | Governors |
| 6 Jan 1975 - 1 Jan 1979 | Ricardo J. Bordallo (1st time) | Governors |
| 1 Jan 1979 - 3 Jan 1983 | Paul M. Calvo | Governors |
| 3 Jan 1983 - 5 Jan 1987 | Ricardo J. Bordallo (2nd time) | Governors |
| 5 Jan 1987 - 2 Jan 1995 | Joseph F. Ada | Governors |
| 2 Jan 1995 - 6 Jan 2003 | Carl T.C. Gutierrez | Governors |
| 6 Jan 2003 - | Felix Camacho | Governors |