sentences:  In 1923, the Wilno Voivodeship was created, which existed until 1939, when the Soviet Union occupied Lithuania and Poland and returned most, but not all, of the Polish-annexed land to Lithuania.In 1834, the Vilnius Governorate had about 789,000 inhabitants; by 1897, the population had grown to about 1,591,000 residents (37 per square kilometer).The population was estimated to be 56.1% Belarusian, 17.6% Lithuanian, 12.7% ethnic Jewish and 8.2% Polish.