Western Front
By nightfall Guderian‘s leading tanks are 60 miles (ca. 97 km) west of Sedan. Anglo-French-Belgian armies commence withdrawal from Dyle Line to Scheldt Line, west of Brussels. Belgian Government moves to Ostend.
Air War
26 LeO-451 bombers (4 lost) with fighter escort bomb German tanks refueling at Montcornet. RAF’s Advanced Air Striking Force withdraws from bases south of the Meuse to Troyes area east of Paris.
Politics
Churchill flies to Paris to consult with Reynaud, Daladier and General Gamelin.
Neutrals
USA: Roosevelt sets US aircraft industry a production target of 50,000 warplanes a year.