War and Conflict, World War II, pic: 1940, The crew of a German tank which sank the British warship no 523,off the coast, in the English Channel, display with pride an illustration of the deed, Germany's victory in France in 1940 followed the "Phoney War, [Getty Images]

War and Conflict, World War II, pic: 1940, The crew of a German tank which sank the British warship no 523,off the coast, in the English Channel, display with pride an illustration of the deed, Germany's victory in France in 1940 followed the "Phoney War, (September 1939-April 1940) and the German breakthrough accomplished at great speed meant France was forced to surrender in June 1940 (Photo by Popperfoto via Getty Images/Getty Images)