Uruguay
http://www.presidencia.gub.uy/
Independent Republic 25.08.1925
(Presidents, (1952-1967 State Council with yearly changing chairmen)
| Fructuoso Rivera (1778-1854) | 18.07.1830-01.03.1835 | |
| Manuel Oribe (-1857) | 01.03.1835-10.1838 | |
| Fructuoso Rivera (2nd time) | 10.1838-1843 | |
| Joaquín Suárez | 1843-01.03.1852 | |
| Juan Francisco Giro (-before 1860) | 01.03.1852-24.09.1853 | |
| Venancio Flores (1809-1868) | 12.03.1854-09.09.1855 | |
| Manuel Bustamente (1785-1863) | 09.1855-01.03.1856 | |
| Gabriel Antonio Pereira (1794-1861) | 01.03.1956-01.03.1860 | |
| Bernardo Prudencio Berro (1803-1868) | 01.03.1860-01.03.1864 | |
| Anastasio Cruz Aguirre (1804-1875) | 01.03.1864-15.02.1865 | |
| Venancio Flores (2nd time) | 20.02.1865-01.03.1866 | |
| Francisco A. Vidal (1827-1889) | 01.03.1866-19.02.1868 | |
| Manuel Flores (-1868) | 19.02.1868-22.02.1868 | |
| Lorenzo Batlle (1810-1887) | 02.1868-01.03.1872 | |
| José L. Gomensoro (1810-1900) | 01.03.1872-01.03.1873 | |
| José Pedro Ellaury (1839-1897) | 01.03.1873-18.01.1875 | |
| Pedro Varela (1837-1879) | 22.01.1875-10.03.1876 | |
| Lorenzo Latorre (1844-1916) | 10.03.1876-13.03.1880 | |
| Francisco A. Vidal (2nd time) | 13.03.1880-01.03.1882 | |
| Máximo Santos (1847-1889) | 01.03.1882-17.11.1886 | |
| Máximo Tajes (1852-1912) | 18.11.1886-01.03.1890 | |
| Julio Herrera y Obes (1842-1912) | 01.03.1890-01.03.1894 | |
| Duncan Stéwart (acting) (- 1923) | 01.03.1894-21.03.1894 | |
| Juan Idiarte Borda (1844-1897) | 21.03.1894-23.08.1897 | |
| Juan Lindolfo Cuestas (1837-1905) | 25.08.1897-01.03.1903 | |
| José Batlle y Ordoñez (1856-1929) | 01.03.1903-01.03.1907 | |
| Claudio Williman (1863-1934) | 01.03.1907-01.03.1911 | |
| José Batlle y Ordoñez (2nd time) | 01.03.1911-01.03.1915 | |
| Feliciano Viera (1870-1929) | 01.03.1915-01.03.1919 | |
| Balthasar Brum (1883-1933) | 01.03.1919-01.03.1923 | |
| José Serrato (1868-1960) | 01.03.1923-01.03.1927 | |
| Juan Campisteguy (1859-1937) | 01.03.1927-01.03.1931 | |
| Gabriel Terra (1873-1942) | 01.03.1931-03.1938 | |
| Alfredo Baldomir (1884-1948) | 19.06.1938-01.03.1943 | |
| Juan José de Amézaga (1881-1956) | 01.03.1943-01.03.1947 | |
| Tomás Berreta (1875-1947) | 01.03.1947-02.08.1947 | |
| Luis Battle y Berres (1897-1964) | 02.08.1947-01.03.1951 | |
| Andrés Martinez Trueba (1884-1959) | 01.03.1951-01.03.1955 | |
| Alberto Zubiria (1901-1971) | 01.03.1955-01.03.1957 | |
| Arturo Lezama (-1964) | 01.03.1957-01.03.1958 | |
| Carlos A. Fischer (1903-?) | 01.03.1958-01.03.1959 | |
| Martín Etchegoyen (1892-1974) | 01.03.1959-01.03.1960 | |
| Benito Nardone (1906-1964) | 01.03.1960-01.03.1961 | |
| Eduardo Victor Haedo (1901-1970) | 01.03.1961-01.03.1962 | |
| Faustino Harrison (1900-1963) | 01.03.1962-01.03.1963 | |
| Daniel Fernández Crespo (1900-1964) | 01.03.1963-01.03.1964 | |
| Luis Giannattasio (1894-1965) | 01.03.1964-07.02.1965 | |
| Washington Béltran (1914-2003) | 27.02.1965-01.03.1966 | |
| Alberto Héber Usher (1916-1981) | 01.03.1966-28.02.1967 | |
| Oscar Daniel Gestido (1901-1967) | 01.03.1967-06.12.1967 | |
| Jorge Pacheco Areco (1920) | 06.12.1967-29.02.1972 | |
| Juan Maria Bordaberry (1928) | 01.03.1972-12.06.1976 | |
| Aparicio Méndez (1904-) | 01.09.1976-31.08.1981 | |
| Gregorio C. Alvarez (1925) | 01.09.1981-11.02.1985 | |
| Julio Maria Sanguinetti (1936) | 01.03.1985-01.03.1990 | |
| Luis Alberto Lacalle (1941) | 01.03.1990-01.03.1995 | |
| Julio Maria Sanguinetti (2nd time) | 01.03.1995-01.03.2000 | |
| Jorge Battle (1927) | 01.03.2000-01.03.2005 | |
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Tabaré Vázquez (1940) | 01.03.2005- |