Transylvania population of Transylvania for the years 1830-1840 the majority were 62.3% Romanians and 23.3% Hungarians. In the last quarter of the 19th century, the Hungarian population of Transylvania increased from 24.9% in 1869 to 31.6%, as indicated in the 1910 Hungarian census. At the same time, the percentage of Romanian population decreased from 59.0% to 53.8% and the percentage of German population decreased from 11.9% to 10.7%, for a total population of 5,262,495. Magyarization policies greatly contributed to this shift. The percentage of Romanian majority has significantly increased since the declaration of the union of Transylvania with Romania after World
Transylvania their loss of Transylvania in the Treaty of Karlowitz; however, some anti-Habsburg elements within the principality submitted to the emperor only in the 1711 Peace of Szatmár, and Habsburg control over Principality of Transylvania was consolidated. The Grand Principality of Transylvania was reintroduced 54 years later in 1765. The Hungarian revolution against the Habsburgs started in 1848. The revolution in the Kingdom of Hungary grew into a war for the total independence from the Habsburg dynasty. Julius Jacob von Haynau, the leader of the Austrian army was appointed plenipotentiary to restore order in Hungary after the conflict. He ordered the