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
Coat of arms of Russia the unity of Great Russia (Russia), Little Russia (the Ukraine) and White Russia (Belarus). Probably under influence from its German equivalent, the eagle, from 1654 onwards, was designed with spread wings and holding a scepter and orb in its claws. During the reign of Peter the Great, further changes were made. The collar of the newly established Order of Saint Andrew was added around the central escutcheon, and the crowns were changed to the imperial pattern after his assumption of the imperial title in 1721. At about this time, the eagle's color was changed from golden to black, which would