2000000
6,000,000
11million Jews
Many came from western Europe, from when they were expelled during the inquisition.
Almost all Jews were deported from cental Europe in world war 2, to the east.
Many fled to Western Europe.
As of 2012 there are slightly less than 1 million Jews in Europe.
All Jews (aside from converts) are descended from the Hebrews of the Bible, who at one time lived in Canaan. Later many of them migrated to Europe.
hundreds
No, there are more Muslims living in Europe than there are Jews.
No. There are far many more Protestants, Catholics, Orthodox Christians, and Sunni Muslims each in Europe than Jews; there are around 2 million Jews in Europe today.
It was one of many blood-libels in medieval Europe and was an excuse to kill Jews.