On April 3, 2016 there was Solemn Opening Mass at former Saint Catherine’s Church sacristy from 1246 – 770 years old room, what is now Chapel for the Cathedral of the Holy Trinity of The Anglocatholic Church in Tallinn, Estonia. The celebrant was His Beatitude Patriarch Dr. Heigo Ritsbek, he was assisted by The Ordinary of The Anglocatholic Church in Estonia – Diocese of The Most Blessed Virgin Mary the Mother of God – Bishop Dr. Raivo Kodanik.