image is a derivative work of the following images: File:Gdansk_Bay_Borderlines_1939_English.png licensed with Cc-by-sa-3.0-migrated, GFDL 2007-03-17T22:17:18Z...
1923-DE.png as template. Blank version German version Polish version Derivative works of this file: Gdansk Bay Borderlines 1939 English-colour.jpg English...
