Sigma Delta Pi, the National Collegiate Hispanic Honor Society (La Sociedad Nacional Honoraria Hispánica), was established on November 14, 1919, at the University of California Berkeley.  The Society's insignia is the royal seal of Fernando and Isabel, representing Castille, León and Aragón.  Sigma Delta Pi's colors are red and gold, its flower is the red carnation, and its motto is the Greek phrase "Spanías Didagéi Proágomen" meaning "Let's go forth/continue forth under the teaching/guidance of the Spanish language." The national headquarters is located at the College of Charleston in South Carolina.