Editing 1939 (section)

=== October ===
{{main|October 1939}}
* [[October 6]] &ndash; WWII: The Battle of Kock ends the Polish Campaign. [[Polish resistance movement in World War II|Polish resistance]] moves underground.<ref>{{cite book|title=New Europe|url=https://books.google.com/books?id=2ZLRAAAAMAAJ|year=1944|publisher=New Europe, Incorporated|page=9|access-date=November 26, 2020|archive-date=February 4, 2021|archive-url=https://web.archive.org/web/20210204090533/https://books.google.com/books?id=2ZLRAAAAMAAJ|url-status=live}}</ref>
* [[October 7]] &ndash; WWII: British Royal Navy cruiser {{HMS|Emerald|D66|6}} departs [[Plymouth]] in convoy for [[Halifax, Nova Scotia]], carrying £2M in [[gold bar]] to be used for purchase of military [[materiel]] in North America, a predecessor of [[Operation Fish]].<ref>{{cite book|last=Draper|first=Alfred|title=Operation Fish: The Fight to Save the Gold of Britain, France and Norway from the Nazis|year=1979|publisher=General Publishing|location=Don Mills|isbn=9780773600683}}</ref>
* [[October 8]]
** WWII: [[Nazi Germany|Germany]] annexes [[Polish areas annexed by Nazi Germany|Western Poland]].
** [[The Holocaust]]: [[Piotrków Trybunalski Ghetto]], the first Jewish [[Ghettos in Nazi-occupied Europe|ghetto in Nazi-occupied Europe]], is proclaimed in [[Occupation of Poland (1939–45)|German-occupied Poland]].
* [[October 14]] &ndash; {{GS|U-47|1938|6}} sinks the British battleship {{HMS|Royal Oak|08|6}} at anchor in [[Scapa Flow]] (Scotland), with the loss of 833 crew.