Sea War
German battlecruiser Gneisenau torpedoed off Trondheim by British submarine Severn.
France
Germans capture Lyons. Saumur Cadets forced surrendering when ammunition supplies for their training weapons run out (200 cadets killed, June 19-20).
Italian offensive on the Riviera (extended along entire Franco-Italian frontier to Mt Blanc, June 21).
Home Fronts
Britain: Entire output of Thompson sub-machine guns (300 t per week) to be delivered from US manufacturers in weekly shipments.
France: Petain broadcasts: he describes the defeat of France as ‘inevitable’ and compares the 185 British, American and Italian divisions supporting the French Army in May 1918 with the 10 British divisions of May 1940.
Politics
French authorities in Indochina bow to Japanese threat and half transit of arms to China via Haiphong.