Era
20th century
23
19th century
8
1900-1999
5
1945-
5
Nicholas II, 1894-1917
5
18th century
3
1933-1945
3
Revolution, 1917-1921
3
Revolution, 1974
3
To 1500
3
1689-1801
2
1729-1796
2
1869-1948
2
1894-1917
2
1912-1945
2
1974-
2
1974-1991
2
20e siècle
2
30 B.C.-476 A.D.
2
Revolution, 1789-1799
2
To 1200
2
To 332 B.C.
2
To 70 A.D.
2
1165-1240
1
1180-1777
1
12th century
1
1300-1499
1
14e siècle
1
14th century
1
1516-1830
1
1534-1921
1
15e siècle
1
15th century
1
1627-1680
1
1644-1912
1
168 B.C.-135 A.D.
1
1700-1899
1
1750-1850
1
1753-1814
1
1777-1918
1
1781-1869
1
1800-1837
1
1800-1899
1
1800-1933
1
1808-1873
1
1868-1963
1
1870-
1
1871-1918
1
1878-1973
1
1881-1938
1
more ...