Key Facts
- Duration
- 1353 – 1795
- Holy Roman Emperors produced
- 4 emperors from House of Luxembourg
- Absorbed into Burgundy
- 1443, under Philip the Good
- Habsburg acquisition
- 1477, by marriage to Maximilian I
- Integrated into Seventeen Provinces
- Pragmatic Sanction of 1549 under Charles V
- Ended by
- French Revolutionary annexation, 1795
Imperial Zenith Metrics
Historical Trajectory
Phase I: Rise
The Duchy of Luxembourg was formally established in 1353 within the Holy Roman Empire, elevating the County of Luxembourg to ducal status. The House of Luxembourg had already risen to prominence as heirs to the Přemyslid dynasty in Bohemia and successors to the Kingdom of Hungary. By the mid-14th century, the dynasty competed directly with the Houses of Habsburg and Wittelsbach for dominance across the empire.
Phase II: Zenith
At its height, the House of Luxembourg wielded extraordinary influence across Central Europe, contributing four Holy Roman Emperors, including Charles IV. The dynasty held the crowns of Bohemia and Hungary simultaneously, making Luxembourg's ancestral duchy a symbolic and political core of an expansive dynastic network. The 1364 Treaty of Brünn formalized arrangements with the Habsburgs regarding territorial succession.
Phase III: Decline
The male line of the House of Luxembourg expired in the early 15th century, transferring their territories to the Habsburgs per the Treaty of Brünn. In 1443, Philip the Good of Burgundy seized the duchy, which then passed by marriage to Habsburg Archduke Maximilian I in 1477. Incorporated into the Seventeen Provinces under Charles V in 1549, the duchy remained under Habsburg rule until French Revolutionary forces annexed it in 1795.
Notable Imperial Reigns
Selected rulers mapping the empire’s trajectory