Sep­tem­ber 4th, 1936: Churchill with Gen­er­al Mau­rice Gamelin dur­ing French Army of the South East maneu­vers. Gamelin, head of the French Gen­er­al Staff, was sacked on 17 May 1940 as Hitler’s armies over­ran France. (Agence Meurisse, © Gal­li­ca Dig­i­tal Library, Wiki­me­dia Commons)