sentences:  It was declared a "monument historique" on 30 October 1906 and the cloister on 13 July 1907.In about 330, Saint Saintin (or Sainctinus) evangelised the city of Verdun, became its first bishop and founded a church dedicated to Saints Peter and Paul.In 457 Saint Pulchronius (or Pulchrone), a later bishop, had a cathedral built inside the walls of a ruined Roman building, on the present site.