The outbreak of World War II
The World War II was began on 1 September 1939 when Germany attacked Poland, and the subsequent, after two days, on 3 September declaration of war on Germany by France and Great Britain.
The D-Day (or Normandy landings) was a military operation through sea on 6 June 1944 by Allied forces against Germans in Normandy, France that cracked the German grip on western Europe.
The Berlin Wall
The Berlin Wall was constructed to cut off West Berlin from East Germany to stop mass migration from East to West Germany. The construction of the wall was began at midnight of 12 August 1961 and the migration was stopped on 13 August 1961. The Berlin Wall was fell on 9 November 1989. After the fall of Berlin Wall, East and West Germany reunified into a single German state on 3 October 1990.
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