Wikipedia.org/***WWII-- Operation Valkyrie--On 20 July 1944, an attempt was made to assassinate Adolf Hitler, Führer of Nazi Germany, perpetrated by Claus von Stauffenberg & other conspirators, inside his Wolf's Lair field headquarters near Rastenburg, East Prussia. The name Operation Valkyrie, originally referring to a component part of the conspirators' overall plot, has become associated with the event.
He, his superior General Friedrich Olbricht and Stauffenberg planned Operation Valkyrie, a plan of action to be implemented as soon as Hitler had been killed. Meanwhile, Quirnheim succeeded Stauffenberg as Chief of Staff at the Army's General Office in Berlin. Immediately after the attempt on Hitler's life in East Prussia on 20 July 1944, Quirnheim urged General Olbricht to activate Operation Valkyrie, even though they could not be sure whether Hitler was dead.
Operation Valkyrie was a German World War II emergency continuity of government operations plan issued to the Territorial Reserve Army of Germany to execute and implement in case of a general breakdown in civil order of the nation. Failure of the government to maintain control of civil affairs might have been caused by the Allied bombing of German cities, or uprising of the millions of foreign forced laborers working in German factories.
July 20, 1944: The "Valkyrie" plot to kill Hitler is put into action. This photo shows the Wolf's Lair after the bomb blast, which killed 4 but only wounded Hitler. All participants in the plot were executed. July 20 has become a day to commemorate all those who took part in the resistance movement against the Nazi regime.