The Battle of The Atlantic  
  The Battle of the Atlantic was the longest continuous military campaign of World War II, began on the first day of the European war in September 1939 and lasted for six years until the defeat of Nazi Germany in 1945. The Battle of the Atlantic pitted U-boats and other warships of the Kriegsmarine (German Navy) against Allied convoys and their protectors. The convoys of merchant ships, coming mainly from the Americas and going to the United Kingdom and the Soviet Union, were protected for the most part by the British and Canadian navies and air forces and aided by the United States after September 13, 1941. Tactical advantage switched back and forth over the six years as new weapons, tactics and counter-measures were developed by both sides. The British and their allies gradually gained the upper hand, driving the German surface raiders from the ocean by the end of 1942 and decisively defeating the U-boats in a series of convoy battles between March and May 1943.  
   
  1939  
   
  Pre War Activities  
  September October November December  
   
  1940  
   
  January February March April  
   
  May June July August  
   
  September October November December  
   
1941
  January February March April  
   
  May June July August  
   
  September October November December  
   
  1942  
   
January February March April
   
  May June July August  
   
  September October November December  
   
  1943  
   
  January February March April  
   
  May June July August  
   
  September October November December  
   
  1944  
   
  January February March April  
   
May June July August
   
  September October November December  
   
  1945  
   
  January February March April  
   
    May June    
   
   
     
   
 

The objective of WW2Timelines.com 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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