Holland

After a week of heavy fighting, during which the German airborne forces suffered heavy casualties at the Hague and elsewhere, the Dutch Army capitulates. The Germans attempt to include all Dutch armed forces, especially Dutch pilots who have escaped to England, in the surrender, but the Dutch commander-in-chief General Winkelman refuses; the armistice agreed is only local, for the Dutch armed forces forces in Holland.

Belgium

Henri Leenaerts, an insurance salesman and swimming instructor, is recalled to the Belgian Army Air Force from the Reserves. He served his compulsory national service as an 18-year-old in 1921, and was trained as a wireless operator.

France

On the night of 15-16 May the headquarters of BAFF (British Air Forces in France) is moved from its advanced HQ at Chauny to Coulommiers, 30 miles east of Paris.

24 Squadron

F/O F.J.B. Keast, a pilot with No. 24 (Communications) Squadron, is promoted Flight Lieutenant.