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when did germany invade poland?

Germany invaded Poland on 1 September 1939, in a surprise attack that marked the beginning of World War II in Europe.

Quick Scoop

  • The invasion began at dawn on 1 September 1939, with German forces crossing the Polish border and launching coordinated air and land assaults.
  • One of the first actions was the shelling of Polish positions near the port of Danzig (now Gdańsk) by the German battleship Schleswig-Holstein.
  • The campaign in Poland lasted until early October 1939, ending with the country occupied and partitioned between Germany and the Soviet Union.

In many history books and forums, the answer to “when did Germany invade Poland?” is given simply as: 1 September 1939 —the day World War II effectively began in Europe.

TL;DR: Germany invaded Poland on 1 September 1939, launching the war in Europe.

Information gathered from public forums or data available on the internet and portrayed here.