Era
20th century
335
476-1492
67
19th century
61
18th century
58
To 1500
41
1789-1900
40
17th century
36
1789-1815
26
1918-1945
25
1945-
25
16th century
23
1871-1918
22
1492-1648
21
1648-1789
16
392-814
15
21st century
14
1517-1648
11
Middle Ages, 600-1500
9
1769-1821
7
1815-1848
7
1889-1945
7
Medieval, 500-1500
7
Middle Ages, 500-1500
7
To 476
7
15th century
6
1879-1953
6
1933-1945
6
Empire, 284-476
6
Revolution, 1789-1799
6
1492-
5
1815-1871
5
1848-1849
5
600-1500
5
Civil War, 1936-1939
5
Consulate and First Empire, 1799-1815
5
Ottoman Empire, 1288-1918
5
To 1492
5
1648-1715
4
Germanic Invasions, 3rd-6th centuries
4
13th-15th centuries
3
1492-1517
3
1848-1871
3
1874-1965
3
1882-1945
3
1883-1945
3
1892-1975
3
1929
3
1945-1989
3
1989-
3
Middle Irish, 1100-1550
3
more ...