On 30 September, the commander of 10th Army, Walther von Reichenau, ordered his staff to plan the destruction of a large Polish force which was located between the Bug and Vistula rivers.
Pada tanggal 30 September, komandan 10th Army, Walther von Reichenau, memerintahkan staffnya untuk merencanakan penghancuran pasukan Polandia yang ada di antara The Bug dan Sungai Vistula.