Kammala jumla mai zuwa: A farkon Yaƙin Franco-Prussian, Saarbrücken shine farkon maƙasudin sojojin mamaye Faransa wanda ya kori dakarun Prussian kuma ya mamaye Alt-Saarbrücken a ranar 2 ga Agusta 1870. Al'adar baka ta ce Yariman Faransa mai shekaru 14 mai suna Napoléon Eugène Louis Bonaparte ya harba bindigarsa ta farko a wannan yakin, abin da ya faru wanda aka yi bikin tunawa da "Lulustein" a Alt-Saarbrücken. A ranar 4 ga watan Agusta 1870 Faransawa sun bar Saarbrücken, sun kori zuwa Metz a cikin
Yaƙin Spicheren a ranar 6 ga Agusta 1870.