Feldgrau.net

Poland was forced by the USSR to accept the loss of eastern Poland in 1945, and later to confirm it (with minor border changes) in 1951. The puppet communist government signed two border treaties with the USSR.

1,543,222+ ethnic Poles were expulsed from eastern Poland between 1944 and 1946.

Further 245,501+ ethnic Poles were expulsed from these territories between 1955 and 1959.

But this is not the entire tragedy yet. Between 1942 and 1944 over 300,000 ethnic Poles escaped from Volhynia to Central Poland. They escaped from Ukrainian ethnic cleansings carried out by UPA - many other (around 50,000 - 60,000 according to Polish historians) ethnic Poles did not manage to escape them:

Unfortunately we can't proceed with this thread.

What constitutes a "war crime" is a breach of the various treaties defining the laws of warfare, treatment of non-combatants, destruction of property, treatment of POWS, etc. - or the commonly-held "customs of war" underpinning them

Feldgrau regards "War Crimes" as specific breaches of ANY internationally-agreed rules of conduct or treatment bearing on warfare that are in effect and legally-binding at the time the crime/alledged crime occured