HomeUPSCOwing to the Franco-Prussian War of………….., France lost Alsace and Lorraine to Prussia. 61. Owing to the Franco-Prussian War of………….., France lost Alsace and Lorraine to Prussia.By Admin / October 4, 2025 A. 1870 B. 1873 C. 1878 D. 1896 ✅ The correct answer is option A.