Era
Civil War, 1861-1865
555
20th century
472
1861-1865
417
19th century
411
1900-1999
349
1800-1899
254
1861 - 1865
169
1900 - 1999
158
Revolution, 1775-1783
120
1775-1783
114
1800 - 1899
96
1939-1945
92
18th century
67
20e siècle
53
1809-1865
50
1732-1799
47
1861-1865 (Guerre de Sécession)
47
1743-1826
45
1939 - 1945
44
1706-1790
36
1735-1826
34
1783-1865
34
1861-1865 (Guerre de Sécession)
31
1815-1861
30
To 1775
30
1775-1865
29
1783-1809
28
Colonial period, ca. 1600-1775
28
1933-1945
26
1744-1818
25
1700-1799
24
19e siècle
24
1775 - 1783
23
1915-1968
22
21st century
22
1914-1918
21
War of 1812
19
1884-1972
18
1945-1989
18
Early works to 1800
18
1789-1797
17
1800-1999
17
1885-1972
17
19e siècle
17
1751-1836
16
1865-
16
To 1865
16
1789-1809
15
1838-1905
15
1882-1945
15
more ...