THIS WEEK IN MEDIEVAL HISTORY... 1065 Death of Ferdinand I, King of Castile 1080 Archbishop Guibert elected antipope Clement III 1115 St. Bernard founds a monastery in Clairvaux 1284 The Pied Piper of Hamelin takes 130 children 1483 Dr. Ralph Shaw preaches against Richard III of England's coronation 1483 Richard III claims the crown