Era
2002-
19
1976-2002
12
1949-
11
21st century
11
2000-
9
1949-1976
4
1976-
4
1912-1949
3
1976-2000
3
1991-
3
1997-
3
20th century
3
1644-1912
2
1893-1976
2
1989-
2
1021-1086
1
1654-1722
1
1677-1735
1
1935-
1
1942-
1
1944-1990
1
1955-2017
1
1961-
1
1975-
1
1988-
1
1993-2001
1
19th century
1
2001-2009
1
2011-
1
Cultural Revolution, 1966-1976
1
Empire, 30 B.C.-284 A.D.
1
Han dynasty, 202 B.C.-220 A.D.
1
Qing dynasty, 1644-1912
1
Republic, 265-30 B.C.
1
To 1500
1
War of 1812
1