Era
21st century
7
1989-
5
20th century
5
1945-
4
1985-
3
1991-
3
19th century
3
Since 1989
3
1945-1989
2
1981-2001
2
2002-
2
2009-
2
Siglo XXI
2
Since 1981
2
(1992 October 7)
1
1853-1925
1
18th century
1
1923-2015
1
1930-2002
1
1943-
1
1949-
1
1953-
1
1959-
1
1960-
1
1960-1988
1
1960-2002
1
1965-
1
1970-
1
1981-
1
1982-1994
1
1983-
1
1988-2002
1
1994-
1
2001-2009
1
21st centur
1
Geschichte
1
Libro de Texto
1
S XXI
1
Siglo 20
1
Siglo XIX
1
Siglo XVIII
1
Siglo XX
1
Since 1945
1
Since 1959
1
Since 1960
1
Since 1970
1
Since 1982
1
Since 1985
1
Since 1991
1
Textbooks
1