 The foundation act was signed at the headquarters of the Archdiocese of Milan, in the presence of Uri and Leventina authorities.During 1673 and 1682 it was closed as a result of floods caused by rivers Brenno and Ticino.In 1683 the seminary resumed its educational activity, but between 1787 and 1796 there were additional closures following the temporary abolition of the Archbishop's seminary of Milan.