The Diocese of Warmia was erected on 29 July 1243 by Pope Innocent IV. It was created an archdiocese on 25 March 1992 by Pope John Paul II by the bull Totus Tuus Poloniae populus. The metropolitan see is Olsztyn with the Archdiocesan Cathedral of the Blessed Virgin Mary in Frombork and the Co-Cathedral of St. James the Apostle in Olsztyn. The patrons of the diocese are St. Wojciech/Adalbert, bishop and martyr, St. Andrew the Apostle, St. Andrew Bobola, presbyter and martyr, and St. Bruno Boniface of Querfurt, bishop and martyr.