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| | A short history of Colombia |
 | | With the support of the army the authoritarian leader Rafeal Reyes holds power between 1904 and 1909, after which conservative rule is restored. |
 | | Presidents are Enrique Olaya Herrera (1930-1934), Alfonso López Pumarejo (1934-1938 and 1942-1945), Eduardo Santos Montejo (1938-1942) and Alberto Lleras Camargo (1945-1946) Due to a split in the liberal party at the 1946 elections, in which they nominate two candidates, Mariano Ospina Pérez of the PCC is elected president. |
 | | Alberto Lleras Camargo (PLC, 1958-1962), Guilleromo-Léon Valencia (PCC, 1962-1966), Carlos Lleras Restrepo (PLC, 1966-1970) and Misael Pastran Borrero (PCC, 1970-1974) are in this periode president. |
| www.electionworld.org /history/colombia.htm (789 words) |
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