The Dreyfus affair was a political crisis that divided the French Third Republic from 1894 through to 1906. At the center of the scandal was a French army officer of Jewish descent accused of espionage. Two sensational court-martials not only put the captain on trial, but the whole of French society. Also being judged was the country's attitude towards anti-Semitism and government corruption. But what led to the arrest of Alfred Dreyfus, and why is his case so controversial?
Click through this gallery and revisit a very unpleasant chapter in French history.