Key Facts
- Duration
- 1398–1810
- Ruling dynasty
- Hohenzollern (Franconian branch)
- Earlier name
- Principality/Margraviate of Kulmbach (until 1604)
- Holy Roman Empire circle
- Franconian Circle
- First residence
- Plassenburg Castle, Kulmbach (until 1604)
Imperial Zenith Metrics
Historical Trajectory
Phase I: Rise
The principality traces its origins to 1398 when the Hohenzollern Burgrave of Nuremberg acquired Franconian territories. After Burgrave Frederick VI was enfeoffed with the Margraviate of Brandenburg in 1415–1417, the dynasty transferred the prestigious margravial title to their Franconian lands. Though the territory was never a true border march, it became a recognized immediate territory of the Holy Roman Empire, ruled from Plassenburg Castle in Kulmbach.
Phase II: Zenith
During the 16th and 17th centuries, the principality—officially known as Brandenburg-Kulmbach—functioned as a stable Hohenzollern enclave within the Franconian Circle. After the court relocated from Kulmbach to Bayreuth in 1604, the territory was renamed Brandenburg-Bayreuth. The 18th century brought cultural investment, particularly under Margrave Frederick and his wife Wilhelmine of Prussia, who transformed Bayreuth into a notable center of Baroque art and architecture.
Phase III: Decline
The principality's independence eroded as Hohenzollern priorities shifted toward Prussia. In 1791 the last margrave ceded the territory to Prussia, and French military dominance during the Napoleonic Wars further undermined its status. In 1806 Napoleon dissolved the Holy Roman Empire, and in 1810 Bavaria formally absorbed the Principality of Bayreuth, ending over four centuries of Hohenzollern rule in the region.
Notable Imperial Reigns
Selected rulers mapping the empire’s trajectory