[qumpis]

Is this a joke in Russia, i.e. people referring to him as black in order to lessen the view of Russia's outlook to foreigners? I've never heard people refer to Pushkin as being black (and his parents indeed aren't), besides his great grandfather.

[pseg134]

I guess you can tell us the percentage of someone’s blood that has to be black for them to be black. What is the percentage?

[amanaplanacanal]

In America it seems to have more to do with culture than ancestry. I would bet that there are lots of people that think of themselves as white whose ancestors came over on slavers ships.

Of course if you could trace ancestry back far enough we are all black.

[tim333]

The South Africans used to have a colour chart.

[justsomehnguy]

https://en.wikipedia.org/wiki/The_Moor_of_Peter_the_Great