Rubuta ci gaba don wannan sakin layi - A cikin sha'awar sanarwar yaƙi da Prussia a watan Yuli 1870, ba a yi tunani sosai game da kare Paris ba, kamar yadda aka ɗauka cewa yaƙin zai kasance a Jamus. A cikin shekaru talatin tun lokacin da aka gina ganuwar da kuma sansanonin da ke kewaye da su, yawan bindigogi ya kusan ninka, kuma akwai wurare masu yawa a cikin tuddai da ke kewaye da birnin wanda bindigogi na zamani zasu iya mamaye garuruwan. A watan Agusta, an fara aiki a kan wani tsari a Chatillon a kokarin ƙoƙarin magance mafi yawan lamarin, amma in ba haka ba an yi kadan ba. Duk da haka, da zarar labarai na Faransa shan kashi a Spicheren
kuma Wörth ya isa Paris a farkon watan Agusta, aikin ya fara da gaske.