In unitate fidei
On the 1700th anniversary of the Council of Nicaea
Cite this page
This catalogue
In unitate fidei (2025). On the 1700th anniversary of the Council of Nicaea. docs.church. https://docs.church/in-unitate-fidei
Official citation
Leo XIV, In unitate fidei (23 November 2025). https://www.vatican.va/content/leo-xiv/en/apost_letters/documents/20251123-in-unitate-fidei.html