Many of Mexico's leaders after independence made changes to the Viceroy Palace, including renaming it the "National Palace". Mexico's first ministries were installed such as the Ministry of Hacienda (internal revenue), Ministry of War, Ministry of Ju...

in 1901, the dirección general de correos (general direction of mail) was made a separate government agency. before, it has been an administrative division of the secretariat of communications and transportation. it was then decided that this functio...