On 20 February 1922, after the highly contested election in Central Lithuania, the entire area was annexed by Poland, with the city becoming the capital of the Wilno Voivodeship (Wilno being the name of Vilnius in Polish). Kaunas then became the temporary capital of Lithuania. Lithuania vigorously contested the Polish annexation of Vilnius, and refused diplomatic relations with Poland. The predominant languages of the city were still Polish and, to a lesser extent, Yiddish. The Lithuanian-speaking population at the time was a small minority, at about 6% of the city's population according even to contemporary Lithuanian sources. The Council of Ambassadors and the international community (with the exception of Lithuania) recognized Polish sovereignty over Vilnius Region in 1923.