 Pari gbolohun yii: Laarin Oṣu Kẹsan Ọjọ 1 ati 3, 1939 wo: Polish September Campaign, Ẹka naa daabobo awọn ipo ni ayika Mława wo: : Ogun ti Mława, ti o dojukọ awọn ẹya ti o pọ julọ ati ti o dara julọ ti Awọn ọmọ-ogun 1st Army Corps ti Germany ti o ni: 11th Infantry Division, 61st Infantry Division ati Panzer Division Kempf. 