Era
20th century
27
19th century
21
18th century
18
1789-1815
10
1900-1999
6
To 1801
6
17th century
5
1800-1899
5
1900 - 1999
5
1912-1949
5
1643-1715
4
Civil War, 1945-1949
4
Louis XIV, 1643-1715
4
1392-1910
3
1789 - 1815
3
1928-1937
3
1939-1945
3
German occupation, 1940-1945
3
Revolution, 1775-1783
3
Revolution, 1789-1799
3
Siege, 1854-1855
3
1769-1821
2
221 B.C.-960 A.D
2
55 B.C.-449 A.D
2
Civil War, 1861-1865
2
Three kingdoms, 220-265
2
To 1500
2
To 1900
2
To 1910
2
To 500
2
-1889
1
1162-1227
1
13th-15th centuries
1
1485-1603
1
1528-1789
1
1565-1601
1
1566-1601
1
1600-1699
1
1638-1715
1
1644-1912
1
1689-1697
1
1690-1695
1
1700-1799
1
1739-1823
1
1740
1
1789-1824
1
1798-1801
1
1800-1815
1
1800-1902
1
1800-1999
1
more ...