Era
1868-1918
65
Nicholas II, 1894-1917
48
1672-1725
44
Peter I, 1689-1725
38
862-1237
31
1613-1917
28
1777-1825
27
1689-1801
26
1754-1801
26
1729-1796
23
Alexander I, 1801-1825
23
1801-1917
21
18th century
21
To 1533
21
1162-1227
20
1796-1855
20
19th century
20
1530-1584
19
17th century
19
1818-1881
18
Alexander III, 1881-1894
17
Paul I, 1796-1801
17
1533-1613
16
1689-1725 (Pierre Ier)
16
1845-1894
16
Ivan IV, 1533-1584
16
1237-1480
15
1894-1917
15
1894-1917 (Nicolas II)
15
Catherine II, 1762-1796
15
Nicholas I, 1825-1855
15
1613-1689
13
1689-1725
11
Alexander II, 1855-1881
11
1533-1917
10
Revolution, 1917-1921
10
approximately 956-1015
10
1872-1918
9
1533-1584 (Ivan IV)
8
1693-1740
8
16th century
8
1762-1796
8
1762-1796 (Catherine II)
8
1769-1821
8
1801-1825
8
1855-1881
8
Time of Troubles, 1598-1613
8
1796-1801
7
1796-1801 (Paul Ier)
7
1881-1894
7
more ...