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
1537 Transylvania the Austro-Hungarian Empire. Transylvania is also the birthplace of the discoverer Gyula Strommer (1920–1995). "Transylvania" was his only minor-planet discovery. The official naming citation was published by the Minor Planet Center on 1 February 1980 (). 1537 Transylvania 1537 Transylvania, provisional designation , is a carbonaceous asteroid and long-lost minor planet from the outer regions of the asteroid belt, approximately 17 kilometers in diameter. Discovered by Gyula Strommer in 1940, it was later named after region of Transylvania, where the discoverer was born. "Transylvania" was discovered on 27 August 1940, by Hungarian astronomer Gyula Strommer at the Konkoly Observatory near