Diary for Friday, September 13, 1940:
China: Debut of Japan’s Mitsubishi A6M Zero fighter: 13 Zeros escort bomber formation to Chungking and shoot down all defending fighters (20-plus); 4 Zeros damaged.
Battle of Britain: 5 bombs dropped on Buckingham Palace by daylight raider.
Atlantic: Battleships HMS Hood, Nelson and Rodney leave Scapa Flow for Rosyth to counter threatened German invasion.
Germany: Government to subsidize voluntary evacuation of children from Berlin to safer areas.