This marks a major step in her cause for beatification and canonization, though a miracle through her intercession still needs to be verified before she can be called “blessed.” The Marian apparitions at Gietrzwald are the only canonically approved apparitions in Poland and have become a major pilgrimage site. In 1977, Cardinal Karol Wojtyla (future St. John Paul II), presided at the Mass where the apparitions were approved.