Era
20th century
409
19th century
360
Civil War, 1861-1865
317
18th century
256
Colonial period, ca. 1600-1775
237
1900-1999
159
17th century
151
Wars of Independence, 1806-1830
123
1800-1899
113
To 1810
87
To 1830
84
16th century
73
Revolution, 1775-1783
60
1600-1799
57
21st century
56
1861-1865
39
1700-1799
37
1600-1775
35
To 1600
34
1783-1830
33
To 1775
30
To 1763 (New France)
28
1800-1999
25
1806-1830
23
2000-2099
23
1980-
22
1700-1899
21
1808-1889
20
1800 - 1899
19
1830-1898
18
To 1806
18
1775-1783
17
1948-
17
1979-
17
To 1789
17
1830-
16
1600-1699
15
1775-1865
15
1809-1865
15
Since 1900
15
1900-2099
14
1807-1870
13
To 1500
13
1500-1599
12
1948-1980
12
1821-1951
11
1830-1948
11
Colonial period, 1600-1775
11
To 1821
11
To 1863
11
more ...