sentences:  According to these plans, Częstochowa was to be transferred either to Łódź Voivodeship (Łódzkie), or Silesian Voivodeship (Ślaskie), together with Zagłębie Dąbrowskie.In the Polish Defensive War of 1939, Częstochowa was defended by the 7th Infantry Division, part of northern wing of Kraków Army.After the Battle of Mokra and other battles, Polish forces withdrew, and the Wehrmacht entered the city on Sunday, September 3, 1939.