History of Transylvania union of Transylvania with Romania in Alba Iulia on 1. December 1918.; Bessarabia, having declared independence from Russia in 1917 at the Conference of the Country (Sfatul Țării), called in Romanian troops to protect the province from the Bolsheviks. The union of the Transylvania, Maramureș, Crișana and Banat regions with the Old Kingdom of Romania was ratified in 1920 by the Treaty of Trianon, which recognised the sovereignty of Romania over these regions and settled the border between the Republic of Hungary and the Kingdom of Romania. The union of Bukovina and Bessarabia with Romania was ratified in 1920 by
History of Transylvania 895. This is supported by an eleventh-century Russian tradition that the Hungarians moved to the Carpathian Basin by way of Kiev. However, according to Florin Curta no evidence exists of Magyars crossing Eastern Carpathian Mountains into Transylvania. According to supporters of the Daco-Roman continuity theory, Transylvania was populated by Romanians at the time of the Hungarian conquest. Opponents of this theory assert that Transylvania was sparsely inhabited by peoples of Slavic origin and Turkic people. The year of the conquest of Transylvania is unknown; the earliest Magyar artifacts found in the region date to the first half of the 10th