![](https://www.historynet.com/wp-content/uploads/2020/09/Poland1939.jpg)
German soldiers tear down a Polish border post on the first day of the invasion. ((Narodowe Archiwum Cyfrowe))
(Narodowe Archiwum Cyfrowe)
German soldiers tear down a Polish border post on the first day of the invasion. ((Narodowe Archiwum Cyfrowe))
(Narodowe Archiwum Cyfrowe)