At Dunkerque, France, British Expeditionary Force commanding general Lord Gort received the formal authorization for a withdraw; Operation Dynamo, the code name of the massive evacuation, was headed by British Admiral Sir Bertram Ramsey. Meanwhile, Adolf Hitler rescinded the order to halt the offensive near Dunkerque. At Calais, after a heavy aerial and field artillery bombardment, German troops crossed the canals and moved toward the Citadel; at 1600 hours, Brigadier Claude Nicholson surrendered. Elsewhere, the French 1st Army was nearly encircled by the Germans, while the Belgians was pushed back to the Leie/Lys River.
