N'afọ 1815, William e buliri ya n'ọkwa onye isi ma nye iwu otu battalion nke 1. Garderegiment. Ọ lụrụ n'okpuru Gebharderecht von Blücher na agha nke Ligny na Ligloo. Ọ ghọrọ onye agha na-alụ ọgụ na 1815. William ghọrọ onye Amụma nke Empress Befreiungskriege ("Agha nke Nnwere Onwe", nke a makwaara dị ka Agha nke isii nke Coalition), ma bụrụ onye agha nwere obi ike. Emere ya onye isi (Hauptmann) ma merie obe Iron maka omume ya na Bar-sur-Aube. Agha na ọgụ megide France hapụrụ ya ndụ ya niile, o nwekwara ajọ mbunobi ogologo oge n'ebe ndị France nọ. N'afọ 1815 William gbagoro ọkwa onye isi ma nye iwu otu battalion nke 1. Garderegiment. Ọ lụrụ n'okpuru Gebharderecht von Blücher na agha nke Ligny na Ligloo. Ọ ghọrọ onye agha na-alụ ọgụ na 1815.
Ọktoba 1849