The Soviet decision to invade that part of eastern of Poland which had earlier been agreed as the Soviet zone of influence was communicated to the German ambassador Friedrich Werner von der Schulenburg on September 9, but the actual invasion was delayed for more than a week.
Den sovjetiske beslutning om at invadere de østlige dele af Polen, som tidligere var aftalt som den sovjetiske indflydelsessfære blev meddelt den tyske ambassadør Friedrich Werner von der Schulenburg den 9. september, men den faktiske invasion blev forsinket i over en uge.