On June 11, 1922, 49 neighbors led by Alfredo Dionisio Godoy founded the Unión Vecinal de Fomento de Munro. With the population growth, many stores were opened that formed an important commercial centre. Munro was also the site of Lumiton Studios, a movie production house founded by local radio pioneer Enrique Susini which, from 1931 to 1952, turned out over 180 full-length films and became among the best-known in Argentine cinema. On November 11, 1961, the partido's first school was founded: School Nº4 "Domingo Faustino Sarmiento". On March 22, 1965, the "Santa María Reina" church is founded, and from 1996 it belongs to the San Isidro obispado.