the revolution, the March Constitution of Austria decreed that the Principality of Transylvania be a separate crown land entirely independent of Hungary. The separate status of Transylvania ended with the Austro-Hungarian Compromise of 1867, and it was reincorporated into the Kingdom of Hungary (Transleithania) as part of the Austro-Hungarian Empire. After World War I, the National Assembly of Romanians from Transylvania proclaimed the Union of Transylvania with Romania on 1 December 1918, and Transylvania became part of the Kingdom of Romania by the Treaty of Trianon in 1920. In 1940, Northern Transylvania reverted to Hungary as a result of the Second Vienna Award, but it was returned to Romania after the end of World War II. In popular culture, Transylvania is commonly associated with vampires, due to the influence of Bram Stoker's 1897 novel Dracula and the many subsequent books and films that the story has inspired. Etymology The earliest known reference to Transylvania appears in a Medieval Latin document of the Kingdom of Hungary in 1075 as , meaning "beyond the forest" ( meaning "beyond" or "on the far side of" and the accusative case of () "woods, forest"). Transylvania, with an alternative Latin prepositional prefix, means "on the other side of the woods". Hungarian historians claim that the Medieval Latin form , later , was a direct translation from the Hungarian form . That also was used as an alternative name in German ("beyond the forest") (13th–14th centuries) and Ukrainian (). Historical names of Transylvania are: , , (hist.), (), () , , (), () , , Transylvanian Saxon: Siweberjen , , , , The German name means "seven castles", after the seven (ethnic German) Transylvanian Saxons' cities in the region. This is also the origin of the region's name in many other languages, such as the Croatian , the Bulgarian (), Polish , Yiddish (), and Ukrainian (). The Hungarian form was first mentioned in the 12th-century as (in modern script ) or . The word means forest in Hungarian, and the word denotes a region in connection with this, similarly to the Hungarian name for Muntenia (, or land lying ahead of the snow-capped mountains). , , are derived from Hungarian . An occurrence of the form Ardeliu in a Church Slavonic document written by a Romanian chancellery is attested in 1432. The Romanian is derived from the Hungarian . History The first known civilization to