Map of Poland in 1939–45

1 Adapted from “Territories of Poland occupied by the Third Reich,” by Lonio17, Wikimedia Commons. Used under a CC BY-SA-4.0 licence.

Map of Poland in 1945

2 Adapted from “A map presenting Poland [according to] the Curzon Line” by radek.s, Wikimedia Commons. Used under a CC BY-SA-3.0 licence.