Era
21st century
114
20th century
64
2000-2099
57
17th century
50
19th century
42
1945-
27
1800-1899
20
1940
19
Civil War, 1861-1865
16
Since 1945
14
1900-1999
13
1981-2001
11
1982-
10
18th century
9
1960-
8
1989-
7
1990-
7
2000
7
1981-
6
1991-
6
2001
5
2010
5
2020
5
1793
4
1800-1999
4
1918-1945
4
1944-
4
1980-
4
1990
4
2000-
4
2001-2009
4
2009-
4
Since 1989
4
1796
3
1865-1918
3
1890
3
1933-1945
3
1958-
3
2001-
3
Since 1981
3
Since 2000
3
14th century
2
1564-1616
2
16th century
2
1759-1823
2
1783-1865
2
1789-1815
2
1790
2
1795
2
1815-1861
2
more ...