Era
Colonial period, ca. 1600-1775
346
19th century
331
1866-1895
295
20th century
254
18th century
147
17th century
105
1934-
99
1750-1815
89
Civil War, 1861-1865
87
1789-1869
83
To 1789
82
Revolution, 1775-1783
66
1815-1875
56
1869-1934
56
To 1848
50
1600-1750
45
1839-1876, USMA June 1861
40
To 1763 (New France)
37
ca 1600-1775 (Période coloniale)
36
1775-1783
35
To 1775
33
1862-1865
32
French and Indian War, 1754-1763
30
20e siècle
29
To 1846
28
1860-1890
27
21st century
27
1868-1952
25
1900-1999
25
1839-1876
24
1775-1865
23
1600-1775
22
1790-1794
21
19e siècle
21
16th century
20
1800-1899
20
1848-1860
19
1768-1813
18
To 1803
18
1796-1872
17
1829-1890, USMA 1852
17
1742-1807
16
1767-1845
16
Spanish colony, 1565-1763
14
1801-1873
13
Since 1934
13
active 16th century
13
-1617
12
1831-1890
12
To 1795
12
more ...