Background
CALLEJA, Froilán was born on December 4, 1897 in Santa Cruz, Bolivia.
CALLEJA, Froilán was born on December 4, 1897 in Santa Cruz, Bolivia.
Educated Colegio Militar, La Paz.
Professor., Colegio Militar. Director. Escuela de Infantería. Regimental commander.
Chief, mission of military studies in Europe. Military attaché, Italy and Germany.