William L. Shirer, The Rise and Fall of the Third Reich
http://www.onwar.com/chrono/1939/dec39/f11dec39.htm
Red Army division encircled at Soumussali
Monday, December 11, 1939 www.onwar.com
In the Winter War... The Soviet 163rd Division is cut off in Suomussalmi by the attacks of the Finnish 9th Brigade.
In Geneva... After Finland asks for concrete aid, “not merely words of encouragement,” the League of Nations agrees to intervene in the conflict between Finland and the USSR. This is one of the few times that the League has attempted to take a decisive stand. The League urges the Soviet Union to cease hostilities in Finland within 24 hours and accept mediation.
In the General Government... A forced labor program is instituted for all Jews.
In Berlin... Hitler meets with Vidkun Quisling, the head of the pro-Nazi Norwegian National Unity Party.
In Britain... To IRA activists, Barnes and Richards, are sentenced to death for the murder of 5 people in Coventry on August 25, 1939 at the end of the Coventry Explosion trial.