Era
20th century
253
19th century
239
1801-1917
172
1900-1999
91
Nicholas II, 1894-1917
85
Revolution, 1917-1921
76
1800-1899
72
18th century
60
Civil War, 1994-
54
Revolution, 1905-1907
38
1689-1801
37
Peter I, 1689-1725
37
1800-1999
33
February Revolution, 1917
32
1613-1917
30
1800-1917
29
Siege, 1941-1944
29
1672-1725
27
17th century
26
1894-1917
26
1991-
25
To 1533
25
Ivan IV, 1533-1584
24
Catherine II, 1762-1796
23
1613-1689
22
1729-1796
20
1917-1936
20
1533-1613
19
1925-1953
18
1868-1918
17
Alexander I, 1801-1825
17
Alexander II, 1855-1881
17
1530-1584
16
1700-1799
16
1861-1917
16
1917-1921
14
1533-1917
13
1801-1999
13
1904-1914
13
1917-
13
Time of Troubles, 1598-1613
13
1821-1881
12
1917
12
1939-1945
12
Since 1994
12
1870-1924
11
21st century
11
German occupation, 1941-1944
11
16th century
10
1869-1916
10
more ...