Era
1783-1865
193
19th century
165
Civil War, 1861-1865
128
1971-
111
20th century
107
1865-1918
103
Revolution, 1775-1783
99
1861-1865
94
Colonial period, ca. 1600-1775
79
1945-
63
1783-1848
59
Early works to 1800
59
1775-1783
52
18th century
50
To 1775
48
1815-1861
40
1918-1945
38
1861-1865 (Guerre de Sécession)
37
Early accounts to 1600
37
19e siècle
36
To 1865
35
active 16th century
35
1960-
31
1800-1899
29
ca 1600-1775 (Période coloniale)
29
1980-2020
28
21st century
28
1945-1970
27
1775-1783 (Révolution)
26
1960-1980
26
1510-1554
24
1600-1775
24
1812-1870
23
Since 1945
23
Since 1971
23
1900-1999
22
To 1783
22
1970-
21
20e siècle
21
16th century
20
1848-1865
19
1951-
19
1805-1859
18
1902-1968
18
1732-1799
17
1763-1867
16
1809-1865
16
1865-1900
16
1757-1834
15
1802-1876
15
more ...