Northern Transylvania Transylvania, and in 1920 the Treaty of Trianon assigned Transylvania to the Kingdom of Romania. In June 1940, after Romania was forced (as a consequence of Molotov–Ribbentrop Pact) to settle a claim to the Soviet Union over Bessarabian and Bukovinian territories, Hungary attempted to regain Transylvania, which it had lost in World War I. Germany and Italy pressured both Hungary and Romania to resolve the situation in a bilateral agreement. The two delegation met in Turnu Severin but the negotiations failed due to a demand for a 60,000 square kilometers territory on Hungarian side and only a population exchange on
Transylvania For most of this period, Transylvania, maintaining its internal autonomy, was under the suzerainty of the Ottoman Empire. The Habsburgs acquired the territory shortly after the Battle of Vienna in 1683. In 1687, the rulers of Transylvania recognized the suzerainty of the Habsburg emperor Leopold I, and the region was officially attached to the Habsburg Empire. The Habsburgs acknowledged Principality of Transylvania as one of the Lands of the Crown of Saint Stephen, but the territory of principality was administratively separated from Habsburg Hungary and subjected to the direct rule of the emperor's governors. In 1699 the Turks legally acknowledged