22 May 1940
  • In Northern France, Rommel held his ground at Arras as he mistakenly believed he was facing 5 division of Allied troops when he was only facing 2 divisions and 2 tank battalions. Guderian, however, advanced toward Calais, Dunkirk, and Boulogne. ww2dbase [Main Article | TH]
  • The United Kingdom passed the Emergency Powers (Defence) Act, giving the government authority over persons and property for the duration of the war. ww2dbase [CPC]
  • German submarine U-37 attacked British armed merchant vessel Dunster Grange with four torpedoes and then surfaced to attack with the deck gun off of Land's End in Southwestern England. All four torpedoes missed, and Dunster Grange was able to fight off the attack and arrive in Liverpool safely two days later. ww2dbase [CPC]
  • Japanese bombers attacked Chongqing, China. ww2dbase [Main Article | CPC]
  • Two formations of Japanese G3M2 bombers, accompanied by three C5M reconnaissance aircraft (Navy version of Ki-15 aircraft), attacked Baishiyi Airfield in Chongqing, China. Four I-15bis and one I-16 fighters were caught by surprise and were destroyed on the ground; the Japanese had claimed 15 destroyed on the ground. ww2dbase [Main Article | CPC]
  • French Air Force withdrew Potez 630 heavy fighters from front line service. ww2dbase [Main Article | CPC]
  • General Gaston Billote died from injuried sustained during an automobile accident on the previous day. ww2dbase [AC]
  • German pilot Hauptmann Wolfgang Falck was ordered to establish Nachtjagdgeschwader 1 wing for the night fighter defence of Germany. ww2dbase [Main Article | AC]
United Kingdom
  • Cryptologist in Bletchley Park, England broke the Luftwaffe Enigma code. ww2dbase [Main Article | Facility | TH]
  • In London, England, United Kingdom, a Home Morale Emergency Committee was set up to advise the Ministry of Information on how to combat defeatism in Britain. Its chairman was the diplomat, author and wit, Mr. (later Sir) Harold Nicolson, a junior Minister for Information. Another member of the board was the Director of the National Gallery and future Television presenter, Kenneth (later Lord) Clark. ww2dbase [AC]

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

22 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