Era
1980-
Since 1980
199
1989-
56
1982-
48
20th century
43
1960-1980
30
21st century
29
1945-
28
2001-2009
27
1945-1989
22
Since 1900
19
Since 1945
18
1968-1980
16
1981-1989
15
1960-
14
1968-
14
1993-2001
13
1924-2019
12
Civil War, 1999-2003
12
Since 1960
12
Civil War, 1989-1996
11
1948-1980
10
1970-
9
1981-
8
1991-
8
1924-
7
1993-
7
Since 1968
7
1918-1960
6
1938-
6
1946-
6
Since 1948
6
1945-1980
5
1973-
5
1975-
5
1989-1993
5
1990-
5
2001-
5
2009-2017
5
1961-
4
1974-
4
1979-1980
4
Since 1974
4
1918-
3
1934-
3
1936-2002
3
1952-2018
3
1965-1979
3
1969-
3
1977-
3
more ...