"The Downfall" by Émile Zola is a novel published in 1892. Set during France's catastrophic defeat in the Franco-Prussian War of 1870, it follows soldier Jean Macquart through chaotic retreats, the devastating Battle of Sedan, and imprisonment. After escaping, Jean becomes entangled in the violent Paris Commune uprising, where loyalties split and personal tragedy strikes. Zola vividly portrays war's brutality on soldiers and civilians alike, creating his greatest commercial success despite initial military backlash. (This is an automatically generated summary.)