http://www.onwar.com/chrono/1939/sep39/f18sep39.htm
Polish leaders flee, urging troops to fight
Monday, September 18, 1939
In Romania... The Polish president, Moscicki, and the Commander in Chief, Rydz-Smigly, enter Romania and are interned. They leave behind messages telling their troops to fight on.
In Poland... Soviet forces have advanced 100 km into Poland, meeting little resistance. The German 3rd and 10th armies begin attacking Warsaw. Members of the Polish cipher bureau, with vital knowledge of the German Enigma code, flee the country and head for Paris.
In Copenhagen, Helsinki, Oslo, Stockholm and Reykjavik... In simultaneous announcements, Denmark, Finland, Norway, Sweden and Iceland declare that they intend to continue trading with all belligerents to protect their economic existence.
In Berlin... A week after making his first broadcast to Britain, the Irish ex-Mosleyite William Joyce is given a contract with German radio.
In the North Atlantic... SS Kensington Court is shelled and sunk by a German U-boat; 2 RAF Sunderland flying boats rescue 34 men.
A Tokyo Rose from Ireland?