Diary for Friday, May 31, 1940:
68,000 troops evacuated from Dunkirk. French destroyers Sirocco and Cyclone torpedoed by German E-boats; 6 British destroyers damaged by bombing.
Merchant shipping losses in May 1940: 100 Allied ships with 285,893 tons in the Atlantic, 1 Allied ship with 2,568 tons elsewhere.
1 U-boat sunk in the Atlantic, Arctic or Baltic.
20 LeO-451s (9 lost) attack Amiens and Abbeville, Douglas DB-7 bombers make low-level attacks on German columns near St Quentin.
USA: Roosevelt sends $1,000 Millions supplementary emergency defense budget to Congress.