The Society of Saint Pius X was founded in 1970 by the French traditionalist Archbishop Marcel Lefebvre. It was founded to preserve the celebration of the Traditional Latin Mass that antedated the Second Vatican Council and to give priests a traditional formation, contrary to what Lefebvre deemed to be destructive novelties. It ultimately found its raison d’être in the belief of lex orandi, lex credendi — the rule of prayer is the........

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