On the evening of August 25th, German troops moved to their jump-off positions for the invasion of Poland scheduled to begin early the next morning. The changing political situation caused Hitler to postpone the attack till September 1st. At 22:30 on August 31st, detachments of the Third Army crossed the frontier from East Prussia into the Danzig Free Territory. At 04:00 the WW1 veteran of Jutland, the ironclad Schleswig-Holstein, slipped her moorings and went to full battle alert. At 04:30 the order “Schiff gest zum Angriff auf Westerplatte” (The ship will proceed to attack Westerplatte) was given, and two minutes later, the first shots were fired of what would eventually become the Second World War in Europe.
Attacker: German (Lt. Hemingue's Marinesturmkampanie, SS Danziger Heimwehr & Danzig Schupo)
Defender: Polish (Elements of Military Transport Depot "Westerplatte Garrison")