The current structure replaced the old National Palace built during the years 1866-1870, which suffered a fire on December 19, 1889. The construction, undertaken between 1905 to 1911, was in charge of the engineer José Emilio Alcaine and under the direction of the foreman Pascasio González Erazo. To finish its construction, through a legislative decree was stipulated that for every quintal of coffee exported, a colon would be used to complete the work. The materials used were imported from different European countries like Germany, Italy and Belgium. Its facilities were occupied by government offices until 1974.
Inside there are 101 secondary rooms and four main rooms with distinctive colors stand out: the Red Room-Salon Rojo, used since opening up the administration of General Maximiliano Hernández Martínez, for the ceremonial presentation of credentials of ambassadors or receptions Salvadoran Foreign Ministry ; Yellow Room-Salon Amarillo, used as an office of President of the Republic, Pink Room-Salon Rosado, which housed the Supreme Court and later the Ministry of Defence, and finally the Blue Room-Salon Azul, which was declared a National Historic Landmark in 1974. In this rooms Ionian, Corinthian and Roman style of furnishing and architecture stand out, and there the Legislature of El Salvador gathered since 1906. The name of this stay was for posterity, as the current meeting room is called the Salvadoran parliament.
http://www.laprensagrafica.com/opinion/editorial/62179-el-antiguo-palacio-nacional.html
http://www.elsalvador.com/mwedh/nota/nota_completa.asp?idCat=6482&idArt=3290128