During the Holocaust the Nazi's murdered millions of people mainly Jews - approx 6 million. Therefore the basic answer to this question is 'Nazi's' and 'Jews'. The fact that this question is even asked proves that it is important to remember and it is even more surprising that anyone could be ignorant of the basic facts.
YES, The Holocaust victims did consist polish people.
Holocaust victims.
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The same people who started the whole Holocaust thing.
The main victims of the Holocaust were people of the Jewish religion. There were other victims, but the Natzis were mainly focused on the Jewish religion when the Holocaust began.
the victims no one is trying to remember the perpetrators
The victims are dead.
The victims - millions of them - didn't only suffer: they perished.
In the holocaust the corpses (dead bodies) of the victims were often cremated (burnt) after they had been gassed. It saved space.
the victims
they were the victims
because they were looking after their own people