Changes

The [[relics]] of the first bishop of Kazan, Abp. Gury have also been associated with Annunciation Cathedral since its inception. In 1630, St. Gury's relics were moved to the cathedral and became the principal relics held by the cathedral. Over the years the relics were moved to various places in the cathedral, before they were taken to the Church of the Varoslavl miracle-makers, in 1918. In 1841, his [[cell]] was found under the side church of Ss. Boris and Gleb.

After the Bolsheviks came into power in 1917, the cathedral lost its magnificence. The many buildings that were built around the cathedral over the centuries were destroyed in the 1920s. The combination multi-tiered stone bell tower and its church were demolished, while the cupolas and drums, the western porch, and stone facings of the cathedral were disassembled. In 1977, restoration work began. The external walls and the floors were repaired, and the cupolas and crosses were restored. Restoration of the interior of the cathedral did not start until 1997, until various government archives were removed from the building in 1996.