War Diary for Tuesday, October 17, 1939:
Air War
Raid on Scapa Flow: Ju 88s cripple training battleship, HMS Iron Duke (World War One Fleet flagship).
Sea War
German destroyers lay mines by night off Humber estuary, North Sea.
Western Front
German High Command reports ‘absolute quiet’ on Rhine Front (one German soldier killed by falling shrapnel from German anti-aircraft guns).