Pedzisa mutsara unotevera: Tadzokera kuEurope, tichipindura kunetsa kunonyengera kwaChancellor Bismarck, paramende yeFrance yakavhota kuzivisa hondo Prussia musi wa19 July 1870. Chikwata chaLambert chakazviwana chiri pedyo neSedan uko mutungamiri weFrance Marshal de MacMahon akanga asarudza kuisa pfungwa dzehondo kuitira kuti adzivise kufambira mberi kwemauto ePrussian kuburikidza neBelgium. Panguva iyi Lambert akanga achishumira ne2nd Marine Infantry Regiment ("2e Régiment d'Infanterie de Marine") iyo yakaumba chikamu cheinonzi Blue Division iyo mumakwikwi akawanda panguva yehondo huru yeSedan yakabatwa uye ipapo
akatorazve Bazeilles kubva kuI Royal Bavarian Corps pasi pehutungamiriri hwaGeneral von der Thann.