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
Nicholas I of Russia another meeting with Ficquelmont in 1833, Nicholas, speaking with the "Greek Project" of Catherine the Great in mind said: "I know everything that has been said of the projects of the Empress Catherine, and Russia has renounced the goal she had set out. I wish to maintain the Turkish empire... It if falls, I do not desire its debris. I need nothing." Ultimately, Nicholas's policies in the Near East proved to be both costly and largely futile. In 1826–28, Nicholas fought the Russo-Persian War (1826–28), which ended with Persia forced to cede its last remaining territories in the Caucasus. Russia