Era
20th century
178
19th century
83
21st century
10
Colonial period, ca. 1600-1775
9
18th century
7
1783-1850
5
1819-1891
5
1882-1941
4
Early modern, 1500-1700
4
1803-1882
3
1804-1864
3
1809-1849
3
1817-1862
3
1832-1888
3
1888-1965
3
1911-1983
3
1783-1865
2
1812-1870
2
1843-1916
2
1850-1904
2
1862-1937
2
1865-
2
1865-1918
2
1873-1939
2
1873-1957
2
1899-1961
2
1915-
2
1924-1987
2
Civil War, 1861-1865
2
Revolutionary period, 1775-1783
2
16th century
1
1703-1758
1
17th century
1
1811-1896
1
1819-1892
1
1829-1912
1
1832-1898
1
1849-1909
1
1857-1924
1
1859-1930
1
1865-1939
1
1868-1934
1
1868-1963
1
1874-1946
1
1876-1916
1
1882-1957
1
1883-1963
1
1885-1951
1
1885-1972
1
1886-1961
1
more ...