Claus von Stauffenberg was a German army officer who is best known for his failed attempt on 20 July 1944 to assassinate Adolf Hitler at the Wolf's Lair.
Stauffenberg, left, with Hitler (centre) and Wilhelm Keitel, right, in an aborted assassination attempt at Rastenburg on 15 July 1944
Plaque in the Bendlerblock "Here died for Germany on 20 July 1944...Colonel Claus Graf Schenk von Stauffenberg..."
Death certificate (issued in 1951)
Operation Valkyrie was a German World War II emergency continuity-of-government operations plan issued to the Territorial Reserve Army of Germany to implement in the event of a general breakdown in national civil order due to Allied bombing of German cities, or an uprising of the millions of foreign forced labourers working in German factories.
Operation Valkyrie 2 cover in the Bundesarchiv.
Henning von Tresckow in 1944
Operation Valkyrie Telex declaring Hitler's death