Era
1887-1975
1
1893-1976
10
1908-1971
3
1912-1949
1
1935-
3
1945-
2
1945-1975
1
1945-1991
1
1949-
8
1949-1976
19
1951-
8
1953-1985
1
1955-2017
1
1959-1990
1
1960-
1
1975-
1
1975-1988
4
1976-2000
1
1976-2002
40
1988-
3
1988-2000
2
1990-
1
1992-
1
1997-
14
2000-
8
2000-2099
1
2002-
33
2011-
3
20th century
9
21st century
7
Cultural Revolution, 1966-1976
6
Since 1997
2
Since 2011
1
Tiananmen Square Incident, 1989
14
Transfer of Sovereignty from Great Britain, 1997
3