Pedzisa mutsara unotevera: Pakuunganidzwa, XVII Corps yakapiwa ku8th Army kuti idzivirire East Prussia, apo vamwe vose veHondo vakaita chirongwa cheSchlieffen Plan muna August 1914. Yakapinda muhondo dzeGumbinnen, Tannenberg ne1st Masurian Lakes. Pakarepo pashure pekupedzisira, yakabatana ne9th Army muLower Silesia, kwayakarwa pa
Hondo yeRwizi rweVistula.