A billboard advertising an anti-Masonic exhibition organized by the anti-Masonic Belgian league, "L'Epuration," in the Masonic Supreme Council building. Brussels. Belgium, 1941.
As part of their propaganda campaign against Freemasonry, the Nazis and other local right-wing organizations mounted anti-Masonic exhibitions throughout occupied Europe. German-occupied Paris hosted an anti-Masonic exhibition in October 1940, as did German-occupied Brussels in February 1941.