World War II Communications:
European Decoding of Nazi Messages

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Bletchley Park

Background

Enigma Communications

Thesis

Timeline

Modern Effect

Annotated Bibliography

 

TIMELINE

"Important Dates in Germany" [World Book]

"1815  The German Confederation was established at the Congress of Vienna

1848  Revolution broke out, but failed.

1866  Prussia forced Austria out of German affairs.

1867  Prussia established the north German Confederation.

1870-1871  Germany defeated France in the Franco-Prussian War, and the German Empire was founded.

1914-1918  The Allies defeated Germany in World War I, and the German Empire ended" [World Book]

1919  The first version of the Enigma machine was invented by Hugo Koch and given to the Germans.

"1933  Adolf Hitler began to create a Nazi dictatorship.

1939-1945  The Allies defeated Germany in World War II, ending Hitler's dictatorship.  They divided Germany into four military occupation zones in 1945.

1948-1949  A Soviet blockade failed to force the Western Allies out of Berlin.

1949  East and West Germany were established.

1953  The Soviet Union crushed an East German revolt.

1955  East and West Germany were declared independent, and joined opposing Cold War military alliances.

1961  The East German Communists built the Berlin Wall to prevent East Germans from escaping to West Berlin.

1973  East and West Germany ratified a treaty calling for closer relations between the two nations.  Both nations joined the United Nations.

1989  East Germany opened the Berlin Wall and other border barriers, and allowed its citizens to travel freely to West Germany.

1990  East Germany held free elections in March, resulting in the end of Communist rule there.  In October, East and West Germany were unified and became the single nation of Germany. " [World Book]