Era
1775-1865
191
1861-1865
95
1865-1950
93
19th century
72
1775-1783
66
Revolution, 1775-1783
63
1775 - 1865
41
1898-1951
40
1789-1809
39
20th century
39
Civil War, 1861-1865
39
1756-1836
35
1951-
35
1815-1861
33
1783-1809
26
1849-1877
26
To 1775
26
1933-1945
25
1882-1947
24
1861 - 1865
22
1858-1919
19
1810-1886
18
1901-1909
18
1783-1865
17
1809-1865
17
1857-1861
17
1882-1945
17
1811-1872
16
1865 - 1950
16
1900-1999
16
1873-1944
15
18th century
15
Since 1951
14
1757-1804
13
1865-1869
13
To 1898
13
1775 - 1783
12
1908-1979
12
1945-1989
12
1752-1816
11
1783-1789
11
1845-1861
11
1745-1829
10
1869-1877
10
1774-1825
9
1777-1852
9
1865-1900
9
1898 - 1951
9
1901-1953
9
1989-
9
more ...