During the Polish-Soviet War, the area was annexed by Poland and in 1923 the Wilno Voivodeship was founded here, which existed until 1939, when the Soviet Union occupied Lithuania and Poland and returned the annexed land to Lithuania.
During the Polish-Soviet War, the area was annexed by Poland. In 1923, the Wilno Voivodeship was created, which existed until 1939, when the Soviet Union occupied Lithuania and Poland and returned most of the Polish-annexed land to Lithuania.