In 1944, in fear of a complete German defeat in the World War II, a group of high command officers plot an attempt ... This unsuccessful operation was called "Valkyrie Operation", and this ...
The most well-known was the one which took place on July 20, 1944 and was part of a plot called "Operation Valkyrie." More than 200 people were involved, chiefly the German army officer Claus ...
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