Dee ihe na-aga n'ihu maka paragraf a - Akwalite ya n'ọkwa ndị agha kachasị elu nke General nke Ngalaba na 1803, Nansouty ka a kpọrọ ka ọ nye iwu nke 1st Heavy Cavalry Division na Emperor Napoleon I's Grande Armée e kere ọhụrụ. N'ịchị ngalaba a site na 1804 ruo 1809, Nansouty nọ na ụfọdụ n'ime agha ndị kachasị mkpa nke nke atọ, nke anọ
na nke ise jikọrọ aka, na-eduzi ndị agha ịnyịnya na agha nke Austerlitz, Friedland, Eckmühl, Aspern-Essling na Wagram. Na 1812, n'oge mkpọsa na Russia, Nansouty nyere iwu na I Cavalry Corps, nke o duziri n'agha dị ka Ostrovno na Borodino, ebe ọ merụrụ ahụ ikpere nke ukwuu. N'afọ sochirinụ, o duziri ndị agha ịnyịnya Imperial Guard, nke o duziri na Dresden, Leipzig na Hanau, ebe ọ merụrụ ahụ ọzọ. N'afọ 1814 o du ndị ya n'ọtụtụ ọgụ, gụnyere La Rothière, Montmirail, Vauchamps na Craonne ruo mgbe ọ dara site na ọnya n'afọ ahụ.