1940
War Diary of WW2

January 1940

• Russian division encircled north of Lake Ladoga
  WW2 chronology for week from January 1 - January 7, 1940
• Secret documents on the planned German Gelb Offensive captured by Belgians
  WW2 chronology for week from January 8 - January 14, 1940
• Polish cryptographers break Luftwaffe Enigma key
  WW2 chronology for week from January 15 - January 21, 1940
• Coldest winter since 1894
  WW2 chronology for week from January 22 - January 28, 1940
• Second battle of Summa for Mannerheim line
  WW2 chronology for week from January 29 - February 4, 1940

February 1940

• Russians break through Mannerheim Line
  WW2 chronology for week from February 5 - February 11, 1940
• Rescue from the Altmark
  WW2 chronology for week from February 12 - February 18, 1940
• Manstein Plan adopted by German Army High Command
  WW2 chronology for week from February 19 - February 25, 1940
• Battle of Viipuri in the Winter War
  WW2 chronology for week from February 26 - March 3, 1940

March 1940

• Russians cross ice-bound Viipuri Bay in Gulf of Finland
  WW2 chronology for week from March 4 - March 10, 1940
• Treaty of Moscow ends Russo-Finnish Winter War
  WW2 chronology for week from March 11 - March 17, 1940
• French Prime Minister Daladier resigns
  WW2 chronology for week from March 18 - March 24, 1940
• Allied Supreme War Council has meeting in London
  WW2 chronology for week from March 25 - March 31, 1940

April 1940

• First German Norway invasion ships sail
  WW2 chronology for week from April 1 - April 7, 1940
• German invasion of Norway and Denmark
  WW2 chronology for week from April 8 - April 14, 1940
• Norwegian Government declares war on Germany
  WW2 chronology for week from April 15 - April 21, 1940
• Germany officially at war with Norway
  WW2 chronology for week from April 22 - April 28, 1940

May 1940

• Hitler orders Gelb offensive against Low Countries and France
  WW2 chronology for week from April 29 - May 5, 1940
• Germans invade Holland, Belgium and Luxemburg
  WW2 chronology for week from May 6 - May 12, 1940
• Battle of the Meuse
  WW2 chronology for week from May 13 - May 19, 1940
• Dunkirk evacuation begins
  WW2 chronology for week from May 20 - May 26, 1940
• Unconditional surrender of Belgian Army
  WW2 chronology for week from May 27 - June 2, 1940

June 1940

• Battle of France begins
  WW2 chronology for week from June 3 - June 9, 1940
• Italy declares war on Britain and France
  WW2 chronology for week from June 10 - June 16, 1940
• Armistice between France and Germany
  WW2 chronology for week from June 17 - June 23, 1940
• Cease-fire on all fronts in France
  WW2 chronology for week from June 24 - June 30, 1940

July 1940

• Mers-El-Kebir affair
  WW2 chronology for week from July 1 - July 7, 1940
• Battle of Britain - Day 1
  WW2 chronology for week from July 8 - July 14, 1940
• Hitler orders preparation for seaborne invasion of England - Operation Sea Lion
  WW2 chronology for week from July 15 - July 21, 1940
• Provisional Czecheslovak Government established in London
  WW2 chronology for week from July 22 - July 28, 1940
• Italians invade British Somaliland
  WW2 chronology for week from July 29 - August 4, 1940

August 1940

• Battle of Britain: highest daily losses up now
  WW2 chronology for week from August 5 - August 11, 1940
• Eagle Day
  WW2 chronology for week from August 12 - August 18, 1940
• First RAF night raid on Berlin
  WW2 chronology for week from August 19 - August 25, 1940
• Vienna Award
  WW2 chronology for week from August 26 - September 1, 1940

September 1940

• Battle of London begins
  WW2 chronology for week from September 2 - September 8, 1940
• Italian invasion of Egypt
  WW2 chronology for week from September 9 - September 15, 1940
• Hitler orders indefinite postponement of Operation Sea Lion
  WW2 chronology for week from September 16 - September 22, 1940
• Tripartite Pact
  WW2 chronology for week from September 23 - September 29, 1940