Era
20th century
44
- 632
35
d. 632
26
622-661
19
750-1258
14
19th century
12
21st century
9
To 622
9
-632
7
647-1517
7
711-1516
6
Ottoman Empire, 1288-1918
6
20th century --
5
750-1260
5
d. 644
5
1250-1517
4
640-1250
4
661-750
4
1058-1111
3
1119-1181
3
1258-1517
3
1517-
3
1703 or 4-1792
3
1800-
3
1818-1883
3
1856-1939
3
1925-
3
Civil War, 1861-1865
3
To 1500
3
1236 or 7-1310 or 11
2
1288-1918
2
1453-1683
2
16th century
2
1759-1839
2
17th century
2
1864-1920
2
1880-1953
2
1895-1962
2
18th century
2
1906-1949
2
1911-1960
2
1919-1947
2
1922-1976
2
1930-
2
1933-1945
2
1939-
2
1945-
2
1945-1989
2
1949-
2
1989-
2
more ...