Era
20th century
15
19th century
10
1945-
6
16th century
5
18th century
5
17th century
4
1945-1989
4
1961-1969
4
1558-1603
3
1865-1898
3
1865-1918
3
1900-1999
3
21st century
3
1700-1799
2
1789-1815
2
1789-1820
2
1821-1951
2
1864-1910
2
1868-1912
2
1913-1994
2
1945-1953
2
1949-
2
Han dynasty, 202 B.C.-220 A.D.
2
Qin dynasty, 221-207 B.C.
2
Revolution, 1789-1799
2
Since 1900
2
Wars of the Huguenots, 1562-1598
2
William and Mary, 1689-1702
2
1288-1918
1
146 B.C.-323 A.D.
1
1479-1516
1
1500-1599
1
1556-1648
1
1556-1714
1
1600-1699
1
1603-1688
1
1648-1714
1
1789-
1
1800-1918
1
1800-1960
1
1800-1999
1
1857-1919
1
1868-
1
1868-1945
1
1871-1918
1
1895-1948
1
1896-1987
1
1898-1967
1
1900-2099
1
1912-1945
1
more ...