The Dreyfus Affair combined a moral crusade to free a man wrongly convicted of treason with a political crisis that divided France. Explore how the Affair emerged amid unrest and change; how Dreyfus’s supporters and Zola’s J’Accuse exposed forgery, prejudice, and corruption; and how the ensuing antisemitic backlash and political turmoil shaped France long after Dreyfus’s exoneration, with echoes into the 20th century.