Andy, no offense, but I did know about this. Obviously. I have talked about it in the past, on this very forum. But I still say the Holocaust was the worst. For several reasons. Some of them aren't even a genocide. In fact, strictly speaking the first two aren't even a genocide. Which leaves us with number three, which is..
Oh, and I know you don't know this, but Belgian universities rank quite high. I don't believe in such rankings myself, but they do amazingly well.