Catherine I of Russia to bribe the Ottoman grand vizier Baltacı Mehmet Pasha into allowing a retreat. Mehmet allowed the retreat, whether motivated by the bribe or considerations of trade and diplomacy. In any case Peter credited Catherine and proceeded to marry her again (this time officially) at Saint Isaac's Cathedral in St. Petersburg on 9 February 1712. Catherine was Peter's second wife; he had previously married and divorced Eudoxia Lopukhina, who had borne him the Tsarevich Alexis Petrovich. Upon their wedding, Catherine took the style of her husband and became Tsarina. When Peter elevated the Russian Tsardom to Empire, Catherine became Empress. The
Church reform of Peter the Great century the majority of the Russian Orthodox Church was headed by people from Ukraine (Little Russia or Galicia). Between 1700 and 1762, out of the 127 hierarchs who headed cathedrals in Russia 70 were from Ukraine and only 47 from Russia (the rest originating from other regions). Peter I, known as "Peter the Great" (ruled 1682–1725), ushered in an era in which the church government was fundamentally transformed: instead of being governed by a patriarch or metropolitan, the government of the church came under the control of a committee known as the Most Holy Governing Synod, which was composed both