date, reorganized departments. The sub-district of Pirque integrates the Department of Maipo .
* On May 22, 1929 by DFL 2335 annexed the Commune-sub Pirque the Maipo Department of the Department of Santiago .
* The 20 January 1930 by Decree 116 is suppressed sub Pirque Commune and its territory annexed to the Municipality of Puente Alto sub-Department of Santiago.
* On August 25, 1933 by 5229 Act establishing the sub-Pirque Commune in the Department of Santiago with part of the territory of the Municipality of Puente Alto-sub.
* The 24 November 1938 by Decree 4771 sets limits of the Commune-sub Pirque and its Districts in the Department of Santiago.
* On September 9, 1958 by Law 12997 creates the new Department of High Bridge , which integrates the Commune-subdelgaci�n Pirque.
The presence of numerous land of pleasure, that still characterize the district as agroresidencial area, is long-standing. However, Pirque continued until 1970 preferentially allocating their soils for agriculture, whose production was mainly sent to Santiago and other provinces.
By 1982 the agricultural profile began to fade when they were parceled some land belonging to the " Concha y Toro "where homes rose with characteristics made accessible to the middle class strata, thus leaving behind the exclusivity Pirque he had held until then.
Furthermore, aviation training area, called D-11, (Delta eleven), where they practice various flight schools in the region
