9 May 1940
  • Conscription maximum age in the United Kingdom was raised again to 36. ww2dbase [TH]
  • German submarine U-9 torpedoed and sank the French submarine Doris 40 miles off of the Dutch coast at 0014 hours, killing 45 French and 3 British sailors. ww2dbase [TH]
  • British Prime Minister Chamberlain offered to form a coalition government with the opposition Labour Party, but the attempt was unsuccessful. In the afternoon, Chamberlain began to discuss with Halifax and Churchill, the two leading contenders to be his successor, about the possibility of his resignation. ww2dbase [Main Article | CPC]
  • Four Polish battalions arrived at Narvik, Norway. ww2dbase [Main Article | CPC]
  • British troops occupied Iceland. ww2dbase [Main Article | CPC]
  • Adolf Hitler and his staff arrived at the Felsennest headquarters in the Westwall fortifications on the German-French border. ww2dbase [Main Article | CPC]
Atlantic Ocean
  • British destroyer HMS Kelly with Lord Louis Mountbatten aboard went on patrol in the Skagerrak between Sweden and Germany, escorted by cruiser HMS Birmingham and destroyers HMS Kandahar, HMS Bulldog, HMS Kimberley, and HMS Hasty. Five German torpedo boats attacked this fleet in the evening. Torpedo boat S-31 damaged HMS Kelly with one torpedo, killing 27; she would require HMS Bulldog to tow her back to port. ww2dbase [Main Article | CPC]
  • Belgium declared a state of emergency and placed the army on alert for the possible German invasion. ww2dbase [Main Article | CPC]
  • Adolf Hitler issued the order to commence the invasion of France and the Low Countries at dawn on the following day. At noon German meteorologists made a firm forecast of clear skies on the following morning; Adolf Hitler gave the meteorology officer a medal on the spot. In the afternoon, Hitler departed Berlin, Germany for this temporary forward headquarters codenamed Felsennest near Bad Münsereifel in the Rhineland region of Germany to observe the coming invasion. ww2dbase [Main Article | Event | CPC, AC]
  • HMS Eagle completed her repairs at Singapore and departed for Colombo, Ceylon. ww2dbase [Main Article | CPC]
United States
  • The first Vultee Model 48 Vanguard prototype aircraft collided with a Sirius aircraft at Vultee Field in Downey, California, United States. ww2dbase [Main Article | CPC]
Photo(s) dated 9 May 1940
Sims off the Boston Navy Yard, Massachusetts, United States, 9 May 1940, photo 1 of 3Sims off the Boston Navy Yard, Massachusetts, United States, 9 May 1940, photo 2 of 3Sims off the Boston Navy Yard, Massachusetts, United States, 9 May 1940, photo 3 of 3

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

9 May 1940 Interactive Map

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Famous WW2 Quote
"All right, they're on our left, they're on our right, they're in front of us, they're behind us... they can't get away this time."

Lt. Gen. Lewis B. "Chesty" Puller, at Guadalcanal