Era
20th century
129
19th century
70
18th century
24
1945-
16
1792-1822
13
17th century
11
1933-1945
9
21st century
8
1795-1821
7
1564-1616
6
16th century
6
1892-1940
6
1608-1674
5
1830-1886
5
Cultural Revolution, 1966-1976
5
Republic, 1912-1949
5
Revolution, 1789-1799
5
1805-1879
4
1882-1945
4
1917-
4
1976-2000
4
1688-1744
3
1770-1850
3
1803-1882
3
1809-1882
3
1809-1892
3
1856-1939
3
1861-1912
3
1868-
3
1949-
3
1976-
3
1976-2002
3
2000-
3
Colonial period, ca. 1600-1775
3
Early modern, 1500-1700
3
1573?-1637
2
1593-1633
2
15TH CENTURY
2
1600-1868
2
1729-1797
2
1775-1817
2
1789-1900
2
1795-1881
2
1800-1859
2
1809-1852
2
1819-1880
2
1819-1900
2
1840-1928
2
1844-1900
2
1854-1900
2
more ...