Era
20th century
274
1900-1999
121
19th century
96
17th century
64
16th century
58
18th century
51
To 1500
49
21st century
37
1800-1999
23
1945-
19
1800-1899
17
1500-1599
16
2000-2099
13
1868-
12
Since 1453
12
1564-1616
11
1600-1699
11
1939-1945
11
1945-1989
10
1960-
10
Early modern, 1500-1700
10
1933-1945
9
Stuarts, 1603-1714
9
Wars of the Huguenots, 1562-1598
9
1492-
8
1989-
8
Middle Ages, 600-1500
8
Medieval, 500-1500
7
Revolution, 1789-1799
7
Since 1868
7
-1536
6
1517-1648
6
1620-1647
6
1700-1799
6
1789-1900
6
1926-1945
6
2002-
6
Eighty Years' War, 1568-1648
6
Middle English, 1100-1500
6
Ottoman Empire, 1288-1918
6
-1202
5
1500-1699
5
1500-1700
5
1644-1912
5
1912-1949
5
1918-1945
5
1956-
5
1997-
5
Civil War, 1861-1865
5
Renaissance, 1450-1600
5
more ...