High Quality Content by WIKIPEDIA articles! Rafael Calzada is an Argentine city in the Almirante Brown Partido in the Greater Buenos Aires conurbation in Argentina. It has an area of 5.14 km² and a population of 56,419. The city was officially founded on 18 July 1909 by Dr. Rafael Calzada, a Spanish Argentine attorney and legal theorist. The suburban bedroom community's principal architectural landmark, The Church of the Holy Trinity, was designed by local architect Juan Fogeler in 1922, and consecrated in 1933. The church was designated as a parish in 1951. The community has been served by the Celina González Peña de Calzada Library (in honor of the founder's widow) since 1954, and the Dr. Arturo Oñativia Emergency Hospital since 1996.