Isivumelwano somanyano senziwa emva kokuba iJamani iphumelele kwiMfazwe eyayiphakathi kwe-Fransi ne-Prussia ngo-1871. KwiMfazwe yokuQala kwiHlabathi, iJamani yajoyina i-Austriya-ne-Hungari, nazo zathi makuliwe ne-France.[13] Imfazwe yayihamba okonyawo lonwabu ngakwicala lasentshona kunjalo nje uqhutywa ngokwembiwa kwemisele ukuze oyele khona amaqela ekwakusiliwa nawo, amajoni ayezikhusela ngokumba imingxuma apha emhlabeni. Abamaninzi amadoda awawayo macala omabini. Empuma amajoni ayesilwa amadabi awo namaRussia aza amaJamani aluphumelela elo dabi lwasemntla emva kokuba amaRussia enikezele. Imfazwe yaphela ngo-918 kuba iJamani yayingenakuyiphumelela imfazwe entshona ngoko ke yayingafuni ukusoloko ithumela amajoni ayo ukuba aye kufa, baza ke ubuKumkani baseJamani banikezela ngamandla abo. [13] IJamani yabanemiqathango eqatha ngakumbi, yaza ke ngoko iFransi yayithabathela kuyo i-Alsace iyixutha kwi-Jamani. Emva koqhankqalazo novukelo, ubuKumkani besibini baphela kwabe sele kuqalisa iRhiphabhlikhi yorhulumente wesininzi yase-Weimar.