Era
17th century
377
2001-2010
236
19th century
198
1564-1616
190
20th century
173
1749-1832
164
1991-2000
151
16th century
98
Song dynasty, 960-1279
94
18th century
90
1911-1920
88
1961-1970
88
1931-1940
87
1981-1990
87
2011-2020
82
Revolution, 1775-1783
82
1971-1980
80
500-1400
69
1875-1926
65
1941-1950
61
1909-1969
59
Civil War, 1861-1865
57
1921-1930
56
1775-1783
54
1900-1999
54
1757-1827
53
1819-1892
48
1830-1886
48
To 1500
48
1788-1866
47
1732-1799
46
1830-1894
46
1951-1960
46
15th century
44
1759-1796
44
1797-1856
44
1844-1896
43
1788-1857
42
To 1901
42
Early modern, 1500-1700
39
To 1800
39
1591-1674
38
1809-1892
38
1821-1867
35
1911 - 1920
35
1931 - 1940
35
1794-1827
34
1895-1984
34
1921 - 1930
34
960-1279
34
more ...