12 Dec 1939
  • Cruiser Köln and other warships screened minelayers during a mining mission. ww2dbase [Main Article | CPC]
  • Adolf Hitler postponed the decision to invade France to 27 Dec 1939; if he was to launch the attack, the date of action was to be 1 Jan 1940. Since the decision was to be made after Christmas, he permitted the granting of Christmas leave. ww2dbase [Main Article | CPC]
Atlantic Ocean
  • The 8,485-ton British registered motor tanker British Liberty was on route from Haifa, Palestine for Dunkerque, France with a cargo of crude oil. As she was nearing Dunkerque she struck a British laid mine 4 miles north-east of the Dyck Light Vessel. Twenty-four of her crew were killed in the explosion. ww2dbase [Main Article | HM]
  • Soviets suffered heavy casualties near Tolvajärvi, Finland as Finnish troops wiped out two Soviet divisions. ww2dbase [Main Article | TH]
United Kingdom
  • Off the British coast, at 0815 hours, the 496-ton ship Marwick Head taking coal to London from Boness, near Grangemouth, Scotland, struck a mine laid by U-59 and sank 0.5 miles South of the North Caister Buoy, off Great Yarmouth, Norfolk, England. Five crew members were lost, the captain and four other crew were rescued and taken to Great Yarmouth. ww2dbase [Main Article | HM]

12 Dec 1939 Interactive Map

Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, Hugh Martyr, David Stubblebine
Special Thanks: Rory Curtis

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Famous WW2 Quote
"With Germany arming at breakneck speed, England lost in a pacifist dream, France corrupt and torn by dissension, America remote and indifferent... do you not tremble for your children?"

Winston Churchill, 1935