Era
20th century
165
19th century
53
21st century
18
Civil War, 1861-1865
16
Colonial period, ca. 1600-1775
10
Revolution, 1775-1783
10
18th century
9
Civil War, 1936-1939
6
1547-1616
4
1564-1616
4
1804-1864
4
1809-1865
4
1945-
4
Elizabeth, 1558-1603
4
Republic, 1912-1949
4
Revolution, 1789-1799
4
1412-1431
3
1452-1519
3
1533-1917
3
1743-1826
3
1767-1845
3
1949-
3
Catherine II, 1762-1796
3
Louis XIII, 1610-1643
3
Revolution, 1917-1921
3
War of 1812
3
10 B.C.-54 A.D.
2
1027 or 1028-1087
2
1079-1142
2
14th century
2
1507-1536
2
1749-1832
2
1775-1817
2
17th century
2
1812-1870
2
1814?-1884
2
1816-1855
2
1818-1848
2
1819-1891
2
1821-1881
2
1821-1894
2
1822-1913
2
1828-1910
2
1835-1910
2
1836-1891
2
1844-1879
2
1846-1950
2
1849-1912
2
1850-1894
2
1865-1898
2
more ...