The 16-point plan is a list of demands made by the German Reich that were read out on German radio on August 31, 1939. It was announced that these points had been rejected by the Polish state . The 16 points were never sent to Poland. At this point in time, the German dictator Adolf Hitler had already given the order to attack on September 1st . 
The sixteen points listed included the return of the Free City of Danzig to the German Reich, a referendum on the membership of the Polish Corridor , the establishment of free transit traffic and mutual population exchange and protection of minorities.  
In contemporary sources  and by revisionists , the 16-point plan is viewed as a proposal for a peaceful settlement on the part of Germany and the alleged rejection by Poland is viewed as incomprehensible or as a reason for war.
- Text of the 16-point plan from August 31, 1939 at archive.org
- BBC News – Alvar Liddell reports on German 16 Point Plan bei YouTube (englisch)
- Donald Cameron Watt: How War Came. The Immediate Origins of the Second World War, 1938–1939. Pantheon Books, New York 1989, S. 518–526 (englisch).
- Sven Hedin : America in the struggle of the continents , FA Brockhaus , Leipzig 1942, pp. 60–64.
- War as a purpose in life: bluff or deadly seriousness? The last days of August 1939. Zeit Online , November 21, 2012, accessed on March 13, 2019 .