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
Peter III of Russia Europe had taken. He fought corruption within government, established public litigation and abolished the secret police — a repressive organ started under Peter I – and intended to expose it as betrayer of the state for its mercilessness and torture methods. Catherine recreated this institution, and it remained present in Russia thereon. Peter established obligatory education for aristocrats; all aristocrats had to provide their children with education and report it to the senate. Furthermore, in some cities technical schools were established for middle and lower class children. Peter began the reorganization and modernization of the Russian army. One of his