Germany invades the Netherlands, Belgium, Luxembourg, France; Winston Churchill becomes British Prime Minister.
Allied forces abandon Brussels.
Allied forces abandon Antwerp.
King Leopold III warns the British that Belgium will be forced to capitulate to the Germans.
The Belgian Army attempts to defend its country, but by the end of May is forced to capitulate. The Belgian people determine to fight their occupier.
Allied evacuation at Dunkirk ends. 340,000 Allied personnel — including 112,000 French and Belgian troops — have been evacuated. Those left behind go into hiding.
German troops enter Paris.
France signs an armistice with the Nazis.
The Battle of Britain begins.