Era
1917-1948
258
20th century
256
1900-1999
170
1929-1948
94
1939-1945
82
19th century
62
1886-1973
41
1900 - 1999
40
1799-1917
37
1917 - 1948
36
20e siècle
36
1800-1899
32
1893-1974
25
1948-
25
1914-1918
24
To 70 A.D
24
1929-2004
22
1948-1949
22
1948-1967
22
1921-1944
19
1939 - 1945
18
168 B.C.-135 A.D
17
Arab rebellion, 1936-1939
15
1929 - 1948
14
21st century
14
638-1917
14
1917-
13
1913-1992
12
active 1st century
12
1865-1935
11
1877-1948
11
1887-1944
11
1845-1934
10
1876-1919
10
1899-1933
10
1903-1944
10
1907-1942
10
1945-
10
1993-
10
1800-1999
9
1923-
9
20e siècle
9
Since 1948
9
1865-1932
8
1876-1943
8
1910-
8
1913-
8
70-638
8
18th century
7
1915-1981
7
more ...