Era
20th century
34
21st century
10
19th century
6
17th century
3
1925-1995
3
20TH CENTURY
3
18th century
2
1960-
2
1642-1660
1
16th century
1
1809-1882
1
1851-1941
1
1884-1962
1
1930-1992
1
1932-
1
1935-
1
1949-1976
1
1950-1990
1
1961-
1
1976-2002
1
1980-
1
19TH CENTURY
1
2002-
1
Cultural Revolution, 1966-1976
1