Era
20th century
104
21st century
87
20th century --
41
1945-
26
21st century --
23
1989-
19
19th century
19
19th century --
14
18th century
13
1925-
12
Civil War, 1861-1865
12
d. 632
11
2000-
9
1564-1616
8
1945-1989
8
18th century --
7
1980-
7
- 632
6
1856-1939
6
1991-
6
1998-
6
2002-
6
1058-1111
5
1939-
5
1990-
5
2001-
5
2001-2009
5
17th century
4
1873-1960
4
1875-1961
4
1953-
4
711-1516
4
1749-1832
3
1903-1990
3
1925
3
1941-
3
1946-
3
1948-
3
1960-
3
1966-1998
3
1970-
3
1979-1997
3
1997-
3
Congresses
3
To 1500
3
1304-1377
2
1371-1435
2
1517-
2
16th century
2
16th century --
2
more ...