Era
19th century
17
20th century
16
1900-1999
10
Civil War, 1861-1865
10
17th century
9
1860-1926
9
1800-1899
8
Revolution, 1775-1783
8
1775-1783
6
18th century
6
21st century
6
16th century
5
2000-2099
5
1700-1799
4
1959-1993
4
1649-1775
3
1968-1998
3
1978-2011
3
To 1500
3
1066-1485
2
1485-1603
2
1485-1714
2
1603-1714
2
1644-1795
2
1846-1917
2
1861-1865
2
1980-
2
1993
2
Early modern, 1500-1700
2
Middle High German, 1050-1500
2
Since 1980
2
1050-1700
1
1214?-1294
1
1469-1527
1
1492-1648
1
1500-1799
1
15th century
1
1600-1775
1
1660-1688
1
1700-1899
1
1728-1816
1
1752-1834
1
1766-1835
1
1783-1865
1
1789-1900
1
1793-1861
1
1810-1880
1
1812-1888
1
1817-1904
1
1820-1891
1
more ...