The Gleiwitz incident was a staged attack by Nazi forces posing as Poles on 31 August 1939, against the German radio station Sender Gleiwitz in Gleiwitz, Upper Silesia, Germany (since 1945: Gliwice, Poland) on the eve of World War II in Europe.
This provocation was the best-known of several actions in Operation Himmler, a series of unconventional operations undertaken by the SS in order to serve specific propaganda goals of Nazi Germany at the outbreak of the war. It was intended to create the appearance of Polish aggression against Germany in order to justify the subsequent invasion of Poland.
