Anna of Russia Anna of Russia Anna Ioannovna (; – ), also spelled Anna Ivanovna and sometimes anglicized as Anne, was regent of the duchy of Courland from 1711 until 1730 and then ruled as Empress of Russia from 1730 to 1740. Anna was born in Moscow as the daughter of Tsar Ivan V by his wife Praskovia Saltykova. Ivan V was co-ruler of Russia along with his younger half-brother Peter the Great, but he was mentally disabled and incapable of administering the country, and Peter effectively ruled alone. Ivan V died in February 1696, when Anna was only three years old, and
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.