Era
1783-1865
62
Civil War, 1861-1865
44
19th century
43
Revolution, 1775-1783
35
20th century
29
1971-
28
1783-1848
19
1861-1865
18
1865-1918
18
To 1775
17
1945-
16
1918-1945
15
1775-1783
13
1960-
13
1805-1859
12
Colonial period, ca. 1600-1775
12
To 1783
11
To 1865
11
1815-1861
9
18th century
9
1933-1945
9
20e siècle
9
active 16th century
9
1743-1826
8
1945-1970
8
1970-
8
1980-2020
8
1510-1554
7
1732-1799
7
1809-1865
7
19e siècle
7
1757-1834
6
1802-1866
6
1951-
6
Since 1971
6
1735-1813
5
1861-1865 (Guerre de Sécession)
5
1865-1898
5
1902-1968
5
1980-
5
2001-2009
5
Since 1900
5
Since 1945
5
-1528
4
1510-1549
4
16th century
4
1789-1797
4
1800-1899
4
1802-1876
4
1809-1893
4
more ...