Era
20th century
81
19th century
37
18th century
16
Civil War, 1861-1865
16
To 1500
15
1900-1999
12
20e siècle
11
Revolution, 1775-1783
11
16th century
9
Colonial period, ca. 1600-1775
8
17th century
7
1918-1945
7
1933-1945
7
Ottoman Empire, 1288-1918
7
1800-1899
6
1917-1963
6
World War, 1939-1945
6
1732-1799
5
1863-1877
5
1869-1917
5
1939-1945
5
1945-
5
1826-1911
4
21st century
4
Confederation, 1783-1789
4
Elizabeth, 1558-1603
4
Revolution, 1789-1799
4
To 1960
4
1096-1800
3
1288-1918
3
1347-ca. 1527
3
1540-1810
3
1801-1917
3
1821-1861
3
1848-1849
3
1926-
3
Chosŏn dynasty, 1392-1910
3
Early Stuarts, 1603-1649
3
George I, 1714-1727
3
Middle Ages, 600-1500
3
Song dynasty, 960-1279
3
To 1453
3
To 70 A.D.
3
138-161
2
1500-1599
2
1500-1765
2
15th-18th centuries
2
1700-1799
2
1715-1789
2
1727-1760
2
more ...