11 Sep 1940
  • Japanese Army Major General Issaku Nishihara reported to Tokyo, complaining that French authorities were delaying negotiations regarding Indochina matters. ww2dbase [Main Article | CPC]
  • At 0835 hours, six French warships passed through the Strait of Gibraltar at the speed of 25 knots. Realizing they were heading for Dakar in French West Africa, HMS Renown and three destroyers departed at 1600 hours in an attempt to intercept. Overnight, the French fleet stopped at Casablanca to refuel. ww2dbase [Main Article | CPC]
  • German submarine U-28 attacked Dutch ship Maas (sank, killing 20) and British ship Harpenden (seriously damaged, killing 1), both of Allied convoy OA-210, 200 miles northwest of Ireland between 0326 and 0328 hours. ww2dbase [Main Article | CPC]
  • German submarine U-99 sank British ship Albionic at 0716 hours, killing 25. ww2dbase [CPC]
  • Winston Churchill noted that the coming week was to be dangerous as intelligence showed a German amphibious invasion was about to be launched. ww2dbase [Main Article | CPC]
  • Hans-Joachim Marseille scored his third kill when he shot down a British Hurricane fighter over the French coast at 1705 hours. His fighter received heavy damage and he was forced to crash land at Wissant, France. ww2dbase [Main Article | CPC]
United Kingdom
  • After an entire morning without attacks, 300 German bombers flew across Kent in southern England, United Kingdom and up the Thames Estuary in 2 waves at about 1500 hours. British figthers from No. 11 Group RAF engaged the escorting fighters, while British fighters of No. 12 Group RAF attacked the bombers. Some of those bombers got through and bombed the East End of London. On the same day, Portsmouth and Southampton were also bombed. Off Ramsgate, Kent, destroyers HMS Atherstone and HMS Fernie were attacked in the Strait of Dover, badly damaging HMS Atherstone, which also suffered 6 deaths. Overnight, London and Liverpool were bombed. ww2dbase [Main Article | CPC]
United States
  • The United States Navy ordered the construction of six Cleveland-class light cruisers for fiscal year 1941. All six ships were to be built by the William Cramp & Sons Shipbuilding Company of Philadelphia, Pennsylvania, United States. ww2dbase [CPC]

11 Sep 1940 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
"All that silly talk about the advance of science and such leaves me cold. Give me peace and a retarded science."

Thomas Dodd, late 1945