Era
20th century
3,111
19th century
957
21st century
634
Civil War, 1861-1865
104
18th century
103
Colonial period, ca. 1600-1775
70
Revolution, 1775-1783
66
Civil War, 2011-
50
1835-1910
48
1980-
47
1929-1968
41
1988-
38
1945-
37
1991-
37
1819-1891
35
1990-
34
1783-1865
33
2001-2009
32
1830-1886
29
1945-1989
29
1975-
29
2001-
29
To 1863
29
1819-1892
28
2009-
28
World War, 1939-1945
28
1809-1849
27
1818-1895
27
1899-1961
27
1929
27
1933-1945
27
1989-
27
1877-1964
26
1897-1962
26
1993-2001
26
Vietnam War, 1961-1975
26
1863-1877
25
1993-
25
1803-1882
24
1817-1862
24
1888-1953
24
2003-
24
1843-1916
23
Revolutionary period, 1775-1783
23
1783-1850
22
1804-1864
21
1997-
21
1960-
20
To 1964
20
1873-1947
19
more ...