Era
20th century
196
19th century
144
1900-1999
102
21st century
73
18th century
61
1800-1899
56
2000-2099
41
17th century
29
2000-
24
1800-1999
21
1991-
20
1700-1799
17
Since 1991
16
Since 2000
16
16th century
14
1700-1899
13
1976-2000
13
1990-
13
1989-
12
1960-
11
1600-1699
10
To 1500
10
1900-2099
9
1945-
9
2002-
8
Since 1945
8
Since 1990
8
1976-2002
7
Civil War, 1861-1865
7
Since 1960
7
Since 1989
7
1775-1865
6
1900 - 1999
6
1941-
6
1949-
6
1066-1485
5
1783-1865
5
1955-2011
5
1958-
5
1970-
5
1994-
5
2000 - 2099
5
Since 1976
5
1500-1599
4
1861-1865
4
1865-1945
4
1945-1990
4
1965-
4
1974-
4
1976-
4
more ...