reyes Rusia By Adriana Dobarco Period: 1721 to 1725 Pedro I Period: 1725 to 1727 Catalina I Period: 1727 to 1730 Pedro II Period: 1730 to 1740 Ana Period: 1740 to 1741 Iván VI Period: 1741 to 1762 Isabel I Period: 1762 to 1762 Pedro III Period: 1762 to 1796 Catalina II Period: 1796 to 1801 Pablo I Period: 1801 to 1825 Alejandro I Period: 1825 to 1855 Nicolás I Period: 1855 to 1881 Alejandro II Period: 1881 to 1894 Alejandro III Period: 1894 to 1917 Nicolás II