The Principality of Transylvania reached its golden age under the absolutist rule of Gabor Bethlen (1613-1629).
After the defeat to the Russians, the Ottoman Empire restored the Danube ports of Turnu, Giurgiu and Braila to Wallachia and agreed to give up on their commercial monopoly and also recognized freedom of navigation on the Danube, as specified in the Treaty of Adrianople signed in 1829.