The Sierra Madre Sparrow was first discovered by scientists in the Sierra de Bolaños near Bolaños, Jalisco, in 1889.
Caazapá City is very famous for its "Ykua Bolaños", a public park with a legendary source of water located in rocky ground to which magical properties are attributed and that was created by God to special request of Friar Luis de Bolaños, according to the legend.
The town of Tlaltenango was entrusted to Toribio de Bolaños, Tepechitlán to Pedro de Bobadilla, a soldier of Nuño Beltrán de Guzmán, and El Teúl was an encomineda of Juan Delgado.