Era
1945-
58
20th century
49
Since 1945
37
1900-1999
21
1947-
17
Since 1947
16
1960-
15
1900 - 1999
11
19th century
10
1918-1960
9
1918-
7
1945-1989
7
Since 1900
6
1800-1999
5
1912-1937
5
1937-1945
5
Republic, 1912-1949
5
Revolution, 1917-1921
5
Since 1918
5
Since 1960
5
To 332 B.C
5
1644-1912
4
1800 - 1999
4
1902-1971
4
1917-1921
4
1945-1979
4
1979-
4
1162-1227
3
1800 - 1899
3
1800-1899
3
1870-1924
3
1900-1980
3
1939-1945
3
1945 - 1989
3
1945-1975
3
1948-
3
1975-
3
Chʻing dynasty, 1644-1912
3
Early works to 1800
3
Qajar dynasty, 1794-1925
3
Qing dynasty, 1644-1912
3
1288-1918
2
1517-
2
1533-1613
2
1594-1646
2
1600-1699
2
1613-1689
2
1627-1637
2
1644-1928
2
16th-18th centuries
2
more ...