Era
21st century
170
20th century
112
1945-
90
Since 1945
62
19th century
42
1970-
36
1994-
36
1982-
29
2000-
27
1991-
26
1990-
24
18th century
22
Siglo XXI
22
1989-
20
1980-
19
1988-
19
Since 1991
18
Siglo 20
15
Siglo 21
15
1974-
13
2008-
13
1975-
12
Siglo XX
12
Since 1970
12
Since 1989
12
17th century
11
1981-2001
11
16th century
10
1968-
10
1981-
9
1983-
9
2001-2009
9
1818-1883
8
1918-
8
1960-
8
1982-1994
8
1985-
8
Since 1981
8
Since 1990
8
1973-
7
1975-2008
7
1988-2000
7
1993-2001
7
Since 1976
7
Since 1982
7
1945-1989
6
1971-
6
1972-
6
1973-1988
6
2000-2099
6
more ...