World War II changed all of this , in 1939 , around 107,000 people lived in Białystok , but in 1946 - only 56,759 , and to this day there is much less ethnic diversity than in the previous 300 years of the city 's history .
107,000 persons lived in Białystok , but in 1946 - only 56,759 , and to this day there is much less ethnic diversity than in the previous 300 years of the city 's history .