 was an encyclical issued by Pope Gregory XVI on 14 May 1835, addressed to the Swiss clergy.
Gregory issued the encyclical in response to the Articles of Baden, calling them "false, rash, erroneous, prejudicial to the Holy See, destructive to the government of the Church and its divine constitution, and subjecting ecclesiastical ministry [of the] Church to secular domination". In particular, the encyclical criticizes the Swiss government for legalizing marriage between Catholics and non-Catholics, rejecting the suggestion that the secular government held the authority to regulate marriage.
The encyclical continues Gregory's opposition to political liberalism. Gregory rejects the authority of secular governments to regulate the Catholic church, and opposes the idea of national churches. This position, as laid out in , led seven Catholic cantons of Switzerland to form the .
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