What is a common name for the effort of Kurt von Plettenberg and other German officials attempting to assassinate Adolf Hitler which originally referenced only part of the plot?
Kurt von Plettenberg Kurt Freiherr von Plettenberg (31 January 1891 in Bückeburg – 10 March 1945 in Berlin) was a German forester, cavalry officer and a member of the German Resistance (Widerstand). He was involved in the preparations for the 20 July plot, an attempt to assassinate Adolf Hitler, Führer of the Third Reich. Plettenberg belonged to the circle of close friends which included Claus Schenk Graf von Stauffenberg, Johannes Popitz, Ludwig Beck, Ulrich von Hassell, Carl-Hans Graf von Hardenberg and Fabian von Schlabrendorff.
Operation Otto Operation Otto (also known as Plan Otto) was the code name for two independent plans by Nazi Germany. The 1938 plan was to occupy Austria; the second envisaged an attack on the Soviet Union and was developed from late July 1940.