 Thus, on October 25, 1918, a Ukrainian National Committee, gaining the upper hand in Czernowitz, declared northern Bukovina, populated by a Ukrainian majority, part of the West Ukrainian People's Republic.On October 27, the Romanians followed suit, proclaiming the whole region united with Romania, and calling in Romanian troops.The Romanian intervention quickly established the Romanian Assembly as the dominant force, and on November 28 a Congress of the Romanians, Germans, and Poles voted to unite with Romania.