At least five years before Mexican labor activist Caritina Piña arrived in the working-class barrio of Villa Cecilia in the outskirts of Tampico, Reynalda González Parra had co-founded one of the most radical labor collectives in the entire world.  It was 1915 and amid one of the bloodiest revolutions of the twentieth century González Parra, alongside Mexican, Spanish, and other activists, founded the Tampico local of the Casa del Obrero Mundial (COM)—the House of the Global Worker.