At around 7 p.m. on 26 May 1940, Prime Minister Winston Churchill gave the order for Operation Dynamo, the evacuation of British troops from the harbour and beaches of Dunkirk. The German forces that had attacked through the Netherlands, Belgium and the Ardennes into France on 10 May had rapidly driven to the English Channel, reaching the coast at Noyellessur-Mer on 20 May and trapping the BEF, Fr...