Kammala wannan jumla: Da yakin da
Hadin gwiwar na huɗu da ya fara a 1806 kuma ana yaƙi da farko a Jamus, Poland da iyakar Rasha, Forgues ya sami kansa yana aiki a cikin rundunar Marshal Ney, wanda aka raba shi da sojojin Murat don kewaye da kuma samun mika wuya ga sojojin Prussian na Janar von Kleist waɗanda suka nemi mafaka a Magdeburg. Kewaye ya kasance daga 25 ga Oktoba zuwa 8 ga Nuwamba 1806, Prussians sun mika wuya kuma sun kwashe kagara a ranar 11 ga Nuwamba 1806.