Mezue ahịrịokwu na-esonụ: Site na 1806 ruo 1811, Langeron sonyere na Agha Russo-Turkish (1806<unk>1812) wee jee ozi na ndị agha nke Moldavia megide ndị Ottoman. Ọ lụrụ ọgụ na Giurgiu, Silistra, Frasin, Derekoy, na Ruse, nke e buliri ya n'ọkwa General of Infantry. N'afọ 1812, e nyere Langeron iwu nke otu ndị agha na ndị agha nke Danube nke ọ lụrụ ọgụ na Brest-Litovsk na Berezina. N'afọ 1813, e nyere Langeron ọrụ ịchịkwa mgbochi nke Thorn, ma n'afọ ahụ, o duziri ndị agha na Koenigswarte, Bautzen, Siebeneichen, Lowenberg, Katzbach, na Leipzig. N'afọ sochirinụ, o sonyere na mkpọsa France, nke ọ lụrụ ọgụ na agha nke Soissons, Craonne, Laon,
Rheims, La Fère-Champenoise, na Paris. Na ngwụcha afọ 1814, e nyere Langeron iwu nke 4th na 6th Corps na Volhynia. N'oge otu narị ụbọchị ahụ, ya na ndị agha ya nọ na-aga France, ma ha erutebeghị etiti Germany tupu e merie Napoléon na Waterloo.