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German Chancellor Otto von Bismarck and French Emperor Napoleon III speak after the latter's capture, Franco-Prussian War
(lemmy.world)
Incidentally, the first half of Émile Zola's novel "The Downfall" covers the battles (from a footsoldier's point of view) leading up to the moment pictured above. Project Gutenberg has a couple translations:
It was kind of fun reading it and following along on the wikipedia Battle of Sedan page. I only read the first half, can't vouch for the rest of the novel.