While invading the Low countries to attract the French and UK units, the main effort of the German offensive was located in the Ardennes forest. After the Sedan breakthrough, the German's armor corps have reached the sea near Abbeville on May 20th, 1940.
Netherlands surrenders May 15th, 1940. Belgium surrenders May 28th, 1940.
Battle of Dunkirk starts on May 26th, 1940 and ends on June 4th, 1940. Operation Dynamo allows the BEF to get back to England. But, the French resistance in the pocket of Lille has also saved time for the British to evacuate.
UK will continue the war.
