Key Facts
- Duration
- 1160–1803
- Status
- Ecclesiastical principality, Holy Roman Empire
- Religious shift
- Catholic to Protestant administration, 1586
- Ruling house (post-1586)
- Holstein-Gottorp line, House of Oldenburg
- Imperial Diet representation
- Ecclesiastical Bench, College of Ruling Princes
Imperial Zenith Metrics
Historical Trajectory
Phase I: Rise
The Prince-Bishopric of Lübeck emerged in 1160 as an ecclesiastical principality within the Holy Roman Empire, with Catholic bishops exercising both spiritual and secular authority over the territory. As a distinct secular state, it held representation in the Imperial Diet, giving its rulers a formal political voice. The principality's boundaries differed from the wider Diocese of Lübeck, over which the bishop held only pastoral jurisdiction.
Phase II: Zenith
During its Catholic period, the Prince-Bishopric functioned as a mid-sized ecclesiastical state embedded in the broader imperial structure of northern Germany. The prince-bishops wielded influence through their seat on the Ecclesiastical Bench of the College of Ruling Princes, participating in imperial governance and maintaining the principality's administrative identity distinct from the commercial city of Lübeck and the wider diocese.
Phase III: Decline
Following the Reformation, the principality passed in 1586 to lay Protestant administrators from the Holstein-Gottorp branch of the House of Oldenburg, ending Catholic episcopal rule. This arrangement persisted until the secularization wave driven by the French Revolutionary Wars. In 1803, the Reichsdeputationshauptschluss dissolved the Prince-Bishopric, redistributing its territories as part of the broad reorganization that dismantled most ecclesiastical states of the Holy Roman Empire.