Complex sentence: The Crusades were followed by expulsions, including in, 1290, the banishing of all English Jews; in 1396,100,000 Jews were expelled from France; and, in 1421 thousands were expelled from Austria.
Split into simpler sentences: The Crusades were followed by expulsions, including in, 1290, the banishing of all English Jews. In 1396,100,000 Jews were expelled from France; and, in 1421 thousands were expelled from Austria.