Summer Palace of Peter the Great jail where Peter personally prosecuted, locked up, and released prisoners; and Peter’s favorite room, his workshop. The construction of the Summer Palace was completed in 1714. When the Summer Palace was completed in 1714, it became the residence of Peter the Great and his second wife Catherine I of Russia and many of their 12 children—with Peter occupying the first floor and Catherine, along with the children, occupying the second one, until Peter’s death in 1725. After Peter the Great’s death, the Summer Palace was occupied for several years by members of the Imperial family and their courtiers. During part
Tsardom of Russia also continued and war with Persia brought about the acquisition of territory in the Caucasus, although Russia surrendered those gains after Peter's death in 1725. There was no single flag during the Tsardom. Instead, there were multiple flags: Tsardom of Russia The Tsardom of Russia (, "Russkoje tsarstvo" later changed to , "Rossiyskoye tsarstvo"), Polish-Lithuanian Commonwealth called it Tsardom of Muscovy, was the centralized Russian state from the assumption of the title of Tsar by Ivan IV in 1547 until the foundation of the Russian Empire by Peter the Great in 1721. From 1551 to 1700, Russia grew 35,000 km