Era
20th century
1,374
19th century
708
21st century
231
18th century
188
1945-
153
17th century
108
1969-1974
72
16th century
58
20TH CENTURY
54
Early modern, 1500-1700
50
1989-
46
1564-1616
41
1918-1933
34
Cultural Revolution, 1966-1976
29
1990-
28
Victoria, 1837-1901
28
1945-1989
26
1980-
24
1933-1945
23
1970-
23
1971-1980
21
Revolution, 1789-1799
19
1882-1941
17
1918-1945
17
1963-1969
16
1949-1976
15
1960-
15
1961-1970
15
Colonial period, ca. 1600-1775
15
1812-1870
14
1960-1980
14
2001-
14
Unification, 1990
14
1945-1990
13
1843-1916
12
1929-
12
1930-2002
12
1949-
12
1950-
12
1971-
12
1975-
12
1789-1900
11
1837-1901
11
1854-1900
11
1893-1976
11
1946-
11
1958-
11
1991-
11
Early modern and Elizabethan, 1500-1600
11
1871-1918
10
more ...