Overview
A prince-bishop is a bishop who is also the civil ruler of some secular principality and sovereignty, as opposed to Prince of the Church itself, a title associated with cardinals. Since 1951, the sole extant prince-bishop has been the Bishop of Urgell, Catalonia, who has remained ex officio one of two co-princes of Andorra, along with the French president.
Overview
In the West, with the decline of imperial power from the 4th century onwards in the face of the barbarian invasions, sometimes Christian bishops of cities took the place of the Roman commander, made secular decisions for the city and led their own troops when necessary. Later relations between a prince-bishop and the burghers were invariably not cordial. As cities demanded charters from emperors, kings, or their prince-bishops and declared themselves independent of the secular territorial magnates, friction intensified between burghers and bishops. The principality or prince-bishopric (Hochstift) ruled politically by a prince-bishop could wholly or largely have overlapped with his diocesan jurisdiction, but some parts of his diocese, even the city of his residence, could have been exempt from his civil rule, obtaining the status of free imperial city. If the episcopal see was an archbishopric, the correct term was prince-archbishop; the equivalent in the regular (monastic) clergy was prince-abbot. A prince-bishop was usually considered an elected monarch. With the dissolution of the Holy Roman Empire in 1806, the title finally became defunct in the Confederation of the Rhine.
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