Tuhia he haere tonu mo tenei waahanga - Mai i te 1806 ki te 1811, i uru a Langeron ki te Pakanga o Ruhia-Turiki (1806<unk>1812) me te mahi i te ope taua o Moldavia ki nga Ottomans. I whawhai ia ki Giurgiu, Silistra, Frasin, Derekoy, me Ruse, na reira i whakatairangahia ai ia hei Tumuaki o te Infantry. I te tau 1812, i whakawhiwhia a Langeron ki te rangatira o tetahi ope i roto i te Ope o te Danube i whawhai ai ia ki Brest-Litovsk me Berezina. I te tau 1813, i whakawhiwhia a Langeron ki te whakapae o Thorn, ana i tera tau ka whakahau ia i tetahi roopu i Koenigswarte, Bautzen, Siebeneichen, Lowenberg, Katzbach, me Leipzig. I te tau e whai ake nei i uru ia ki te pakanga French, i te wa i whawhai ai ia i nga pakanga o Soissons, Craonne, Laon, Rheims
Ko La Fère-Champenoise, ko Paris. I te mutunga o te tau 1814, i whakawhiwhia a Langeron ki te mana o te 4th me te 6th Corps i Volhynia. I te wā o ngā Rā Tekau, i haere ia me ōna hōia ki Wīwī, engari i tae noa ki waenganui o Tiamana i te wā i hinga ai a Napoléon i Waterloo.