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
Alexander I of Russia Alexander I of Russia Alexander I (, Aleksandr Pavlovich; – ) reigned as Emperor of Russia between 1801 and 1825. He was the oldest son of Paul I and Sophie Dorothea of Württemberg. Alexander was the first Russian King of partitioned Poland, reigning from 1815 to 1825, as well as the first Russian Grand Duke of Finland, reigning from 1809 to 1825. He was born in Saint Petersburg to Grand Duke Paul Petrovich, later Emperor Paul I, and succeeded to the throne after his father was murdered. He ruled Russia during the chaotic period of the Napoleonic Wars. As prince