High Quality Content by WIKIPEDIA articles! The The Sudetenland Commemorative Medal (Die Medaille zur Erinnerung an den 1. Oktober 1938) was a decoration of Nazi Germany awarded in the interwar period.Instituted on October 18, 1938, the medal commemorated the union of the Sudetenland to Germany. Once again Hitler employed skillful diplomacy, using brinkmanship as a dangerous tool to bring the Sudetenland under German control and paving the road for the annexation of Czechoslovakia.