Question: In what year did the war that Maurice Challe fought in end?
Sentence (from "Algiers putsch of 1961"): The Algiers putsch (French: "Putsch d'Alger" or "Coup d'État d'Alger" ), also known as the Generals' putsch ("Putsch des généraux"), was a failed coup d'état to overthrow French President Charles de Gaulle and establish a military junta.
Relevant evidence: No