The numerous holocausts and
genocides of which the Communist Jews have been responsible include the WWII Katyn massacre in Poland - which eliminated 15,000 members of Poland's military and intellectual elite.
The post-WWII Polish Office of State Security massacres of German civilians - 60-80,000
deaths, described in Sack (1993).
The massacre of the Christian Russian kulaks of 1924-30 - 15 million killed.
The Ukranian holocaust of 1930-33 - 7 million starved to death.
The holocaust of Russian political dissidents of 1919-49 - 12 million dead.
The Spanish Civil War massacre of Spanish Christians - unspecified number of dead.