Rubuta ci gaba don wannan sakin layi - Har zuwa 1871, Belfort ya kasance wani ɓangare na "sashen" na Haut-Rhin, a Alsace. Kewaye da Belfort
(tsakanin 3 ga Nuwamba 1870 da 18 ga Fabrairu 1871) a lokacin yakin Franco Prussian ya sami nasarar adawa da Faransawa har sai da aka umurci garkuwar da ta mika wuya kwanaki 21 bayan yarjejeniyar armistice tsakanin Faransa da Prussia ta kawo karshen yakin. Yankin ba a haɗa shi da Prussia kamar sauran Alsace ba. An musanya shi da yankuna a kusa da Metz. Ya kafa, kamar yadda har yanzu yake, Territoire de Belfort. An yi bikin tunawa da kewaye da wani babban mutum-mutumin, Zakin Belfort, wanda Frédéric Bartholdi ya yi. Alsatians da ba sa son rayuwa a ƙarƙashin mulkin Jamus a cikin Alsace da aka haɗe kuma waɗanda ke son rayuwar Faransa da gida a Belfort sun ba da gudummawa mai yawa ga Belfort da masana'antar Faransa (duba Société Alsacienne de Constructions Mécaniques) bayan 1872.