Infantry of the Polish Army during <a href="https://en.wikipedia.org/wiki/Battle_of_Warsaw_(1920)" class="extiw" title="en:Battle of Warsaw (1920)">Battle of Warsaw</a> August 1920
unknown-anonymous
1920-08
<a href="https://pl.wikipedia.org/wiki/Centralne_Archiwum_Wojskowe" class="extiw" title="pl:Centralne Archiwum Wojskowe">Centralne Archiwum Wojskowe</a>