Yes, there are some (there are 4 in the Netherlands, for example: https://nl.wikipedia.org/wiki/Lijst_van_slavernijmonumenten_in_Nederland https://nl.wikipedia.

Yes, there are some (there are 4 in the Netherlands, for example: https://nl.wikipedia.org/wiki/Lijst_van_slavernijmonumenten_in_Nederland https://nl.wikipedia.org/wiki/Lijst_van_slavernijmonumenten_...), but I think people in Europe are generally less aware of their countries' role in slavery compared to people in the US.