At the end of the 16th century Wallachian ruler Prince Michael the Brave overcame the adversity of the Ottoman and Austrian Empires to unite Wallachia, Moldavia and Transylvania into one cou... Read allAt the end of the 16th century Wallachian ruler Prince Michael the Brave overcame the adversity of the Ottoman and Austrian Empires to unite Wallachia, Moldavia and Transylvania into one country.At the end of the 16th century Wallachian ruler Prince Michael the Brave overcame the adversity of the Ottoman and Austrian Empires to unite Wallachia, Moldavia and Transylvania into one country.