Historical Period
20th century
75
19th century
39
21st century
38
18th century
15
1945-
12
1884-1942
10
1858-1942
9
To 1500
8
16th century
7
1901-1978
7
1887-1948
5
1978-
5
1728-1779
4
17th century
4
1865-1918
4
1900-1999
4
1960-
4
1970-
4
1975-
4
1800-1899
3
1850-1904
3
1874-1941
3
1881-1915
3
1883-1984
3
1893-1955
3
1906-2001
3
1920-1983
3
1940-
3
1944-
3
1950-
3
1952-
3
1955-
3
1971-
3
1985-
3
1991-
3
Early modern, 1500-1700
3
Tang dynasty, 618-907
3
To 146 B.C.
3
To 1803
3
To 1893
3
Unification, 1990
3
-1986
2
1533-1592
2
1736-1796
2
1800-1999
2
1848-1925
2
1856-1939
2
1864-1922
2
1883-1957
2
1884-1939
2
more ...