Anna of Russia their mother Catherine I, who had previously been a maid in his household. On the other hand, Praskovia Saltykova, the wife of Ivan V, had been a nobleman's daughter and a devoted wife and mother; moreover, she had been a lady greatly respected for her many virtues, not least her chastity. Finally, the Russian Supreme Privy Council led by Prince Dmitri Golitzyn selected Anna, the second daughter of Ivan V, to be the new Empress of Russia. She was selected in preference to her elder sister Catherine even though Catherine was at that time resident in Russia whereas Anna was
Russia this conflict Russia annexed East Prussia for a while and even took Berlin. However, upon Elisabeth's death, all these conquests were returned to the Kingdom of Prussia by pro-Prussian Peter III of Russia. Catherine II ("the Great"), who ruled in 1762–96, presided over the Age of Russian Enlightenment. She extended Russian political control over the Polish-Lithuanian Commonwealth and incorporated most of its territories into Russia during the Partitions of Poland, pushing the Russian frontier westward into Central Europe. In the south, after successful Russo-Turkish Wars against Ottoman Turkey, Catherine advanced Russia's boundary to the Black Sea, defeating the Crimean Khanate.