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• Japanese Army Major General Issaku Nishihara reported to Tokyo, complaining that French authorities were delaying negotiations regarding Indochina matters. ww2dbase [Indochina Campaign | 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 [British Attacks on the French Fleet | 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 [First Happy Time | 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 [Winston Churchill | CPC]

• Luigi Torelli began patrolling waters off the Azores Islands. ww2dbase [Luigi Torelli | 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 [Hans-Joachim Marseille | Wissant, Nord-Pas-de-Calais | CPC]

• Guglielmo Marconi transited the Strait of Gibraltar into the Atlantic Ocean. ww2dbase [Guglielmo Marconi | Strait of Gibraltar | CPC]

• 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 [Battle of Britain | England | CPC]

• 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