Era
1969-1974
9
1993-
9
1974-
7
1989-
7
20th century
7
1945-1989
6
21st century
6
Since 1993
5
Since 1974
4
1846-1910
3
1946-
3
1979-
3
1900-1999
2
1922-2012
2
1947-
2
1948-
2
1973-1993
2
1981-1989
2
1985-
2
1997-
2
39-65
2
960-1644
2
Since 1945
2
Song dynasty, 960-1279
2
To 1500
2
Yuan dynasty, 1260-1368
2
-1974
1
1564-1616
1
1734-1801
1
17th century
1
1800-1999
1
1837-
1
1860-1903
1
1895-1956
1
1895-1966
1
18th century
1
1906-1983
1
1912-1949
1
1913-1994
1
1916-2009
1
1919-2000
1
1922-2019
1
1923-
1
1923-2008
1
1928-
1
1928-2014
1
1930-
1
1930-2017
1
1935-
1
1938-
1
more ...