Era
20th century
137
19th century
55
1900-1999
43
21st century
37
2000-2099
17
1800-1899
15
18th century
15
1933-1945
12
1980-
12
17th century
8
1800-1999
8
1863-1931
8
1900-2099
8
1945-
8
1889-1945
7
1818-1883
6
1882-1941
6
1564-1616
5
1700-1799
5
1900-1980
5
1945-1989
5
16th century
4
1939-1945
4
1946-
4
Early modern and Elizabethan, 1500-1600
4
Since 1980
4
To 1500
4
1564-1593
3
1842-1911
3
1856-1939
3
1870-1919
3
1877-1964
3
1883-1924
3
1941-2007
3
1945-1953
3
1975-
3
1990-
3
Colonial period, ca. 1600-1775
3
Early modern, 1500-1700
3
Since 1945
3
Stuarts, 1603-1714
3
To 1865
3
1500-1699
2
1500-1700
2
1600-1799
2
1700-1899
2
1811-1896
2
1841-1931
2
1864-1920
2
1866-1946
2
more ...