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Papal bull


A papal bull is a particular type of public decree, letters patent, or charter issued by a pope of the Roman Catholic Church. It is named after the lead seal (bulla) that was traditionally appended to the end in order to authenticate it.

Papal bulls have been in use at least since the 6th century, but the term was not used until around the end of the 13th century, and then only internally for unofficial administrative purposes. However, it had become official by the 15th century, when one of the offices of the papal chancery was named the "register of bulls" (registrum bullarum).

By the accession of Leo IX in 1048, there developed a clear distinction between two classes of bulls of greater and less solemnity. The majority of the "great bulls" now in existence are in the nature of confirmations of property or charters of protection accorded to monasteries and religious institutions. At an epoch when there was much fabrication of such documents, those who procured bulls from Rome wished to ensure that the authenticity of their bulls should be above suspicion. A papal confirmation, under certain conditions, could be pleaded as itself constituting sufficient evidence of title in cases where the original deed had been lost or destroyed.

Since the 12th century, papal bulls have carried a lead seal with the heads of the apostles Saint Peter and Saint Paul on one side, and the pope’s name on the other. Papal bulls were originally issued by the pope for many kinds of communication of a public nature, but by the 13th century, papal bulls were only used for the most formal or solemn of occasions. Papyrus seems to have been used almost uniformly as the material for these official documents until the early years of the eleventh century, after which it was rapidly superseded by a rough kind of parchment.

Modern scholars have retroactively used the term "bull" to describe any elaborate papal document issued in the form of a decree or privilege (solemn or simple), and to some less elaborate ones issued in the form of a letter. Popularly, the name is used for any papal document that contains a metal seal.

Today, the bull is the only written communication in which the Pope will refer to himself as episcopus servus servorum Dei, meaning "Bishop, Servant of the Servants of God." For example, when Benedict XVI, issued a decree in bull form, he began the document with Benedictus, Episcopus, Servus Servorum Dei.


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