Argentine Patriotic League
The Argentine Patriotic League (Spanish: Liga Patriótica Argentina) was a Nacionalista paramilitary group, officially created in Buenos Aires on January 16, 1919, during the Tragic Week. Presided over by Manuel Carlés, a professor at the Military College and the Escuela Superior de Guerra, it also counted among its members the deputy Santiago G. O'Farrell (1861–1926).
Source: Wikipedia — Argentine Patriotic League (CC BY-SA 4.0)