Era
19th century
74
20th century
49
18th century
45
1900-1910
26
1801-1917
23
1672-1725
22
1729-1796
21
1799-1837
18
1900-1999
16
Nicholas II, 1894-1917
16
1868-1918
14
1910-1920
13
Catherine II, 1762-1796
13
1689-1801
12
1800-1899
12
1890-1900
11
Peter I, 1689-1725
11
1894-1917
10
December Uprising, 1825
9
1700-1799
8
1818-1881
8
1689-1725
7
1760-1770
7
1769-1821
7
1790-1800
7
1800 - 1899
7
1850-1860
7
20e siècle
7
1533-1917
6
1730-1800
6
1800-1999
6
1757-1825
5
1762-1796
5
1800-1900
5
1825
5
1870-1924
5
18e siècle
5
21st century
5
1689-1725 (Pierre Ier)
4
1777-1825
4
1800-1815
4
1800-1917
4
Alexander II, 1855-1881
4
1689-1800
3
1700 - 1799
3
1700-1800
3
1709-1762
3
1759-1828
3
1791-1855
3
17th century
3
more ...