Era
20th century
15
1983-
6
2001-2009
6
1900-1999
5
1946-
4
1987-
4
1917-1963
3
1877-1963
2
1981-1989
2
2001-
2
1830-1837
1
1837-1901
1
1874-1926
1
1884-1972
1
1893-1969
1
1894-1971
1
1900 - 1999
1
1908-1973
1
1913-1994
1
1913-2006
1
1916-2009
1
1920-
1
1923-
1
1924-
1
1924-2010
1
1925-1968
1
1926-
1
1931
1
1941-
1
1944-
1
1955 April 27-
1
1981 - 1989
1
1985-1991
1
19th century
1
2000-2099
1
2009-2017
1
21st century
1
Cultural Revolution, 1966-1976
1
Since 2001
1
Tiananmen Square Incident, 1989
1