The following events occurred in December 1939:
- The Soviet 7th Army reached the Mannerheim Line.
- Off the coast of Uruguay, the captain of the German passenger steamer Ussukuma decided to scuttle the ship when it was intercepted by the British cruiser Ajax. The Ajax rescued the 107 crew of the Ussukuma and interned them as enemy civilians.
- Fritz Julius Kuhn was sentenced to 2ý to 5 years in prison for larceny and forgery.
- Battle of the River Plate: In South American waters, the German cruiser Admiral Graf Spee was critically damaged in a battle with the British warships Exeter, Ajax and Achilles.
- Soviet prisoner transport ship Indigirka ran aground off the Japanese coast near Sarufutsu while transporting fishermen with families and prisoners released for war effort - 741 of about 1,500 persons on board perished.
- The Soviet Union was expelled from the League of Nations after it was declared the aggressor in the war with Finland. Of the main powers on the world stage Britain and France were now the only ones left in the League, since Germany, Italy and Japan had already quit and the United States never joined.
- The Norwegian pro-Nazi politician Vidkun Quisling met with Hitler and high-ranking members of the German military in Berlin as the Nazis investigated ways to go about occupying Norway.
- Born: Ernie Davis, American football player, in New Salem-Buffington, Pennsylvania (d. 1963)
- The German cruiser Admiral Graf Spee was scuttled in neutral waters near Montevideo as the time limit to leave port was running out. Captain Hans Langsdorff believed that British reinforcements were nearby and that he had used up too much fuel and ammunition to fight his way back to Germany.
- The decision to occupy Denmark was taken in Berlin.
- The first Canadian troops arrived in Britain.
- Born: Eddie Kendricks, singer-songwriter (The Temptations), in Union Springs, Alabama (d. 1992)
- The Battle of the Heligoland Bight was fought in the skies over the Heligoland Bight in northern Germany.
- The Battle of Kunlun Pass began in the Second Sino-Japanese War.
- Adolf Hitler sent Joseph Stalin a telegram on his sixtieth birthday wishing him "good health and a happy future for the peoples of the friendly Soviet Union."
- Born:
- Alex Bennett, talk radio host, in San Francisco
- Michael Moorcock, science fiction and fantasy author, in London, England
- Harold E. Varmus, molecular biologist and Nobel laureate, in Oceanside, New York
- Died: Ernest Lawson, 66, Canadian-American painter
- The Anglo-French Supreme War Council met for the fourth time and decided to send help to Finland if requested, against the wishes of the neutral Scandinavian nations.
- To avoid capture by the Royal Navy, the German ocean liner SS Columbus (1922) was scuttled by her own crew. 2 people died. The survivors were taken as rescued seamen, but not as PoWs (prisoners of war).
- Died: Reginald F. Nicholson, 87, American naval officer
- In the face of strong Finnish resistance, the Soviet Union halted large-scale operations in order to bring in more resources before attempting a new offensive.
- The cantata Zdravitsa (A Toast!) by Sergei Prokofiev was performed for the first time in Moscow.
- German submarine U-62 was commissioned.
- The British formed Military Intelligence Section 9 (MI9) to aid resistance fighters, downed airmen, and prisoners of war in Nazi-occupied countries.
- Died: Anthony Fokker, 49, Dutch aviation pioneer and aircraft manufacturer
- Pope Pius XII gave a Christmas address to 25 cardinals in which he offered a five-point program as a basis for negotiating a "just and honorable peace."
- Born: Christiane Schmidtmer, actress and model, in Mannheim, Germany (d. 2003)
- New Year's Eve observances in Britain, France and Germany were very subdued due to blackout and noise restrictions. Most celebrations were held in private homes with the windows shuttered.
- German Propaganda Minister Joseph Goebbels made a radio address reviewing the official Nazi version of the events of 1939. No predictions were made for 1940 other than saying that the next year "will be a hard year, and we must be ready for it."
- Generalissimo Francisco Franco made a radio broadcast asking "all Spaniards in this period of depression which follows any war to close the mouths of grumblers and not permit the enemies of the state to take advantage of the situation."
- Japan and the Soviet Union signed an accord on fishing rights in adjacent territorial waters.
- Born: Peter Camejo, author, activist and politician, in New York City (d. 2008)
- Died: Frank Benson, 81, British actor-manager
References
What Day of the Week Did December 1939 begin and end on? December 1939 was the twelfth month of that year. It began on a Friday and ended after 31 days on a Sunday. It was also the last month of the 1930s decade.