Mezue ahịrịokwu na-esonụ: Ọ bụ otu n'ime ndị isi ndị agha kachasị elu bụ ndị n'oge a 1866-1870 buru amụma ma gbalịa ịkwadebe maka agha na-enweghị mgbagha na Germany, na ntiwapụ nke Agha Franco-Prussian Napoleon nyere ya nhọrọ n'etiti onye isi ndị agha na post nke onye isi injinia na isi ụlọ ọrụ. Ọ họọrọ iduzi ndị agha nke abụọ. N'abalị isii n'ọnwa Ọgọst 1870 ọ nọ n'ọkwa
Spicheren megide ndị Germany ruo mgbe mbata nke ndị nkwado maka nke ikpeazụ na enweghị ngosipụta nke ndị agha ndị ọzọ nke France manyere ya ịla ezumike nká. Mgbe nke a gasịrị, o sonyere n'agha ndị gbara Metz gburugburu, ebe ọ pụtara ìhè na Mars-la-Tour na Gravelotte. Mgbe ahụ, ya na ndị agha ya sonyere na nnọchibido nke Metz ma tinye aka na ntinye nke ndị agha Bazaine. General Frossard bipụtara na 1872 "Nkwupụta banyere arụmọrụ nke 2 Corps". Ọ nwụrụ na Cháteau-Villain (Haute-Marne).