Era
1978-1989
56
1961-1978
51
1994-
49
20th century
47
1961-
32
1978-
31
1900-1999
27
1989-1994
24
21st century
22
Since 1994
22
1975-
18
1975-1994
17
1948-1961
16
1991-
16
1978 - 1989
15
1961-1994
14
1961 - 1978
13
1948-1994
12
1989-
12
2000-2099
12
Since 1961
12
1900 - 1999
11
1960-
11
1836-1909
10
1880-1910
10
1961-1991
10
Since 1900
10
Since 1991
10
1945-
9
1981-1989
9
1945-1989
8
1946-1990
8
Since 1945
8
1948-
7
1948-1978
7
Since 1960
7
1870-1950
6
1961 - 1989
6
Since 1989
6
1975 - 1994
5
1977-1981
5
1979-1997
5
1981-
5
1989 - 1994
5
1990-
5
19th century
5
South African Incursions, 1978-1990
5
1855-1936
4
1909-1948
4
1918-2013
4
more ...