Owing to the Franco-Prussian War of………….., France lost Alsace and Lorraine toPrussia. April 24, 2021 by admin Question: Owing to the Franco-Prussian War of………….., France lost Alsace and Lorraine toPrussia. A. 1870 B. 1873 C. 1878 D. 1896 Answer» a. 1870 Note: The above multiple-choice question is for all general and Competitive Exams in India.