Is the movie dunkirk more fictional or factual to the real event? provide examples

It starts in May 10, 1940, with a surprise German blitzkrieg bombarding Holland and the French-Belgian border with air raids, parachute drops and ground attacks. The move came as a surprise to the Allied forces, who had thought any German attack would come at the Maginot Line, a fortification along the French-German border. And it was apparently a surprise to some Germans too, according to Robert Tombs, a historian at the University of Cambridge and a co-editor of Britain and France in Two World Wars: Truth, Myth and Memory, since it was a risky last-minute decision that Nazi dictator Adolf Hitler almost didn’t sign off on.

most cajuns resided in acadiana, where their descendants are still predominant

no one should discriminated against because he or she is not from a minority group