Diaz, Porfirio. President of Mexico. Born at Oaxaca, September 15, 1830. Took part in resistance to French invasion, 1863. Commander of the army of the east, 1867; headed an insurrection against the government in 1875. President, 1877-80; after a lapse of one term, re-elected 1884, holding office continuously to 1911. Died 1915.