Era
20th century
22
1644-1912
14
1900-1999
14
Qing dynasty, 1644-1912
14
To 221 B.C
13
1912-1949
10
Ming dynasty, 1368-1644
10
Tang dynasty, 618-907
10
19th century
7
Han dynasty, 202 B.C.-220 A.D
7
1368-1644
6
1949-
6
2000-
5
202 B.C.-220 A.D
5
221 B.C.-220 A.D
5
221 B.C.-960 A.D
5
960-1644
5
To 1912
5
Yuan dynasty, 1260-1368
5
Zhou dynasty, 1122-221 B.C
5
1368-1912
4
1800-1899
4
1912-1928
4
220-589
4
618-907
4
Qin and Han dynasties, 221 B.C.-220 A.D
4
Since 1949
4
To 1500
4
To 1643
4
To 220
4
Zhou dynasty, 1122 B.C.-221 B.C
4
1260-1368
3
17th century
3
1912-1937
3
1976-2000
3
581-960
3
May Fourth movement, 1919
3
Spring and Autumn period, 722 B.C.-481 B.C
3
Spring and Autumn period, 722-481 B.C
3
1368 - 1644
2
1785-1853
2
1800-1999
2
1818-1891
2
1859-1916
2
1891-1962
2
1898-1956
2
18th century
2
1912 - 1949
2
1912-
2
1914-1918
2
more ...