Magnum Crimen
The separatism-prone Croatian clergy forced Croatian Sokols to leave the Yugoslav Sokol Alliance in 1919–20, fueling internal conflicts within the Alliance on political grounds. At the same time, high Catholic clergy established the Orlovi (Eagles) clerical organization with the aim of taking youths away from the Alliance. The Croatian Catholic Church rejected the pan-Slavic idea of bringing together Catholic, Orthodox, and Muslim believers under the motto that "a brother is dear regardless of his faith". The two Catholic organizations, Orlovi (Eagles) and Katolička Akcija (Catholic Action) were a main base of this resistance to the idea of Yugoslavism, brotherhood and religious tolerance. The Catholic Church's resistance to this idea of pan-Slavism led the Polish Sokols to abstain from the international All Sokol Rally held in Prague in 1926.