Soldiers of the Polish Blue Army in Pas-de-Calais, France, April 24, 1919 (Wikimedia Commons)
Polish soldiers France
Soldiers of the Polish Blue Army in Pas-de-Calais, France, April 24, 1919 (Wikimedia Commons)
Soldiers of the Polish Blue Army in Pas-de-Calais, France, April 24, 1919 (Wikimedia Commons)
Soldiers of the Polish Blue Army in Pas-de-Calais, France, April 24, 1919 (Wikimedia Commons)