After the declaration of Paris as an “open city”, Germans enter the city unopposed. While French troops organize a fighting retreat further South, Parisian restaurants & shops do a brisk trade with the German troops who act more as tourists than a force of occupation. To the East, German 1st Army under General Erwin von Witzleben breaks through the Maginot Line near Saarbrücken.
Stalin desires to restore pre-1918 Tsarist borders and plans to incorporate Latvia, Lithuania & Estonia into Soviet Union. Soviets begin by imposing a sea and air blockade of Estonia. 2 Soviet DB-3T torpedo bombers shoot down Finnish civilian Junkers Ju 52 plane “Kaleva” shortly after takeoff from Tallinin, Estonia. Kaleva crashes into sea (all 9 passengers & crew killed, including American & French diplomats). Soviet submarine Щ-301 surfaces and collects French diplomatic mail from the sea.
At dawn, 4 French cruisers & 11 destroyers attack Italian port of Genoa, shelling oil storage tanks. French destroyer Albatros is hit once by Italian coastal artillery but does not sink (12 lives lost).
Despite a series of errors, U-38 manages to sink Greek steamer Mount Myrto carrying a cargo of timber southwest of Ireland (4 killed). http://www.uboat.net/allies/merchants/ships/350.html
In the same area, U-47 sinks British steamer Balmoralwood carrying 8730 tons of wheat and four aircraft (all 41 crew rescued by British steamer Germanic and landed at Liverpool). http://www.uboat.net/allies/merchants/ships/351.html
300 miles West of Cape Finisterre, Spain, U-101 stops Greek steamer Antonis Georgandis with two 20mm anti-aircraft rounds. The crew abandons ship then U-101 sinks her with the deck gun. http://www.uboat.net/allies/merchants/ships/349.html