2nd » Indian independence leader Subhas Chandra Bose is arrested and detained in Calcutta.
3rd » World War II: In order to stop the ships from falling into German hands the French fleet of the Atlantic based at Mers El Kébir, Attack on Mers-el-Kébir is bombarded by the British fleet, coming from Gibraltar, causing the loss of three battleships: Frenc
5th » World War II: The United Kingdom and the Vichy France government break off diplomatic relations.
10th » World War II: The Vichy France e.g Vichy government is established in France.
10th » World War II: Battle of Britain The Nazi Germany named German Luftwaffe begins attacking British convoys in the English Channel thus starting the battle (this start date is contested, though).
11th » World War II: Vichy France regime is formally established. Philippe Pétain becomes Prime Minister of France.
19th » World War II: Battle of Cape Spada The Royal Navy and the Regia Marina clash; the Italian light cruiser Bartolomeo Colleoni Italian cruiser Bartolomeo Colleoni or Bartolomeo Colleoni sinks, with 121 casualties.
19th » World War II: Army order 112 forms the Intelligence Corps (United Kingdom) e.g Intelligence Corps of the British Army.