Era
19th century
135
20th century
106
18th century
58
Civil War, 1861-1865
49
Revolution, 1775-1783
37
Colonial period, ca. 1600-1775
27
19e siècle
25
20e siècle
20
1800-1899
19
1900-1999
18
1964-
9
1700-1799
8
1793-1880
8
18e siècle
8
1954-
8
Revolution
8
17th century
7
1600-1775
6
1743-1826
6
1785-1862
6
21st century
6
To 1775
6
1706-1790
5
1753-1784
5
1777-1859
5
1783-1815
5
1800-1878
5
1800-1999
5
1821-1910
5
1858-1955
5
1700-1899
4
1775-1865
4
1799-1883
4
1809-1851
4
1849-1887
4
1861-1865
4
1865-1918
4
1917-
4
1939-1945
4
1944-
4
Civil War
4
Geschichte 1800-1900
4
Modern period, 1600-
4
-1617
3
1731-1802
3
1744-1818
3
1764-1836
3
1774-1821
3
1775-1783
3
1783-1865
3
more ...