Era
20th century
241
19th century
69
21st century
43
Civil War, 1861-1865
27
Colonial period, ca. 1600-1775
18
Revolution, 1775-1783
18
18th century
12
1929
10
1564-1616
7
1933-1945
7
1945-
7
Civil War, 1936-1939
7
Elizabeth, 1558-1603
6
1547-1616
4
1732-1799
4
17th century
4
1804-1864
4
1809-1865
4
1822-1913
4
1853-1890
4
1867-1957
4
Anglo-Saxon period, 449-1066
4
German occupation, 1940-1945
4
Republic, 1912-1949
4
Revolution, 1789-1799
4
War of 1812
4
1412-1431
3
1452-1519
3
1533-1917
3
16th century
3
1743-1826
3
1767-1845
3
1809-1868
3
1816-1855
3
1819-1891
3
1886-1957
3
1910-1946
3
1945-1955
3
1949-
3
2000
3
2007
3
2008
3
Catherine II, 1762-1796
3
Heian period, 794-1185
3
Louis XIII, 1610-1643
3
Occupation, 1939-1945
3
Revolution, 1835-1836
3
Revolution, 1917-1921
3
Richard I, 1189-1199
3
-1400
2
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