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Grand Duchy of Transylvania

(Grand) Principality of Transylvania
(Groß)Fürstentum Siebenbürgen (de)
Erdélyi (Nagy)Fejedelemség (hu)
(Marele) Principat al Transilvaniei (ro)
1711–1867
Grand Principality of Transylvania, 1859
Capital Hermannstadt (Nagyszeben, Sibiu) 1711–1791, 1848–1861
Klausenburg (Kolozsvár, Cluj) 1791–1848, 1861–1867
Languages German, Hungarian, Romanian
Religion
Government Not specified
Monarch
 •  1711–1740 Charles III (first)
 •  1848-1867 Franz Joseph I (last)
History
 •  Rákóczi's Revolt crushed 1711
 •  Immigration of Transylvanian Landler 1734–1756
 •  Revolt of Horea 1784
 •  Hungarian Revolution 1848
 •  Incorporated into Hungary 1867
Preceded by
Succeeded by
Principality of Transylvania (1570–1711)
Kingdom of Hungary (1867–1918)
Today part of  Romania
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The Principality of Transylvania, from 1765 Grand Principality of Transylvania, was an Austrian crownland and realm of the Hungarian Crown ruled by the Habsburg and Habsburg-Lorraine monarchs of the Habsburg Monarchy (later Austrian Empire). During the Hungarian Revolution of 1848, the Hungarian government proclaimed union with Transylvania in the April Laws of 1848 (after the Transylvanian Diet's confirmation on 30 May and the king's approval on 10 June that Transylvania again become an integral part of Hungary, an initiative rejected by the Romanians and Saxons who formed the majority population of Transylvania). After the failure of the revolution, the March Constitution of Austria decreed that the Principality of Transylvania be a separate crown land entirely independent of Hungary. In 1867, as a result of the Austro-Hungarian Compromise, the principality was reunited with Hungary proper.

In the Great Turkish War the Habsburg Emperor Leopold I had occupied the vassal Ottoman Principality of Transylvania and forced Prince Michael I Apafi to acknowledge his overlordship in his capacity as King of Hungary. Upon his death in 1690, Emperor Leopoeld decreed the Diploma Leopoldinum, which affiliated the Transylvanian territory with the Habsburg Monarchy. In 1697 Michael's son and heir Prince Michael II Apafi finally renounced Transylvania in favour of Leopold; the transfer to the Habsburg lands was confirmed by the 1699 Treaty of Karlowitz between the Holy League and the Ottoman Empire.


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