Calendar and Summary for June 1944  
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4   5   6   7   8   9   10
11   12   13   14   15   16   17
18   19   20   21   22   23   24
25   26   27   28   29   30    
  May 1944 July 1944  
  Summary of Significant Events for June 1944  
  The BBC broadcasted the first coded message warning the French resistance that an invasion was imminent.  The French Committee of National Liberation proclaimed itself the Provisional Government of the French Republic.  Rome was declared an open city as German forces withdrew from the Italian capitol.  The US 5th Army entered Rome.  Flying from India, the B-29 Superfortress first saw combat when 98 planes struck Bangkok.  Operation Overlord - the Allied Invasion of Normandy in northern France - began.  A Japanese attempt to ship reinforcements to Biak was intercepted by an Allied cruiser squadron and was forced to retreat.  USAAF and RAF fighter forces began operating out of airfields in France.  The Soviets launched a major offensive in the Karelian Isthmus north of Leningrad in an effort to knock Finland out of the war.  Marshal Pietro Badoglio resigned as the premier of Italy and Ivanoe Bonomi formed a new government.  The German Panzer Lehr Division attempted their first operational counterattack against the Allied beachhead in Normandy.  The first offensive launch of the V-1 flying bombs against Britain occurred.  Operating from bases in China, the first USAAF raids to use the new B-29 Superfortress bombers over Japan were carried out.  The American invasion of Saipan began.  The Battle of the Philippine Sea was fought. The Japanese lost hundreds of aircraft and two aircraft carriers.  A severe English Channel storm destroyed much of the prefabricated harbor facilities (Mulberries) at St. Laurent in Normandy.  The Japanese abandoned their siege at Imphal and began to withdraw from India back to Burma.  Soviet forces operating north of Leningrad made a clean break through Finnish defenses and captured Viipuri.  Operation Bagration began with four Soviet fronts attacking the German defensive formations with the aim of destroying the German positions in Belarus.  U.S. President Franklin D. Roosevelt signed the "GI Bill."  The 1st Baltic Front and 3rd Belorussian Front completed the encirclement of Vitebsk trapping 5 divisions of the German 53rd Corps.  The 40,000 Germans of the 41st Panzer Corps were surrounded by the 1st Belarusian Front in Bodruisk.  The U.S. 7th Corps completed the capture of Cherbourg.  18 ships (59,222 tons) were sunk and 4 ships (11,714 tons) were damaged by U-boats during June 1944.  
  Events occurring in June 1944 with no specific dates  
  The Atomic Bombs  
  Dr. J. Robert Oppenheimer replaces Dr. Seth Neddermeyer with George Kistiakowsky as director of implosion research.  
  Dr. Hans Bethe and Rudolf Peierls worked on developing explosive lens concept.  
  Johann Von Neumann provided a design breakthrough for the slow component for focusing.
  Learn more about the American Atomic Bombs Program  

The objective of is to provide a day by day account of the events that lead up to and were part of the greatest conflict known to mankind. There are accounts for the activities of each particular day and timelines for subjects and personalities. It is the of this website intent to provide an unbiased account of the war. Analysis, effects caused by an event, or prior or subsequent pertinent events are presented separately and indicated as text that is italicized.

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