Era
20th century
417
1900-1999
173
21st century
151
19th century
134
To 1500
86
2000-2099
64
1945-
63
1800-1899
45
1980-
36
18th century
34
1989-
34
1991-
26
17th century
25
Since 1900
24
1945-1989
23
1960-1980
22
1800-1999
20
16th century
19
1900-2099
18
Since 1945
17
1990-
16
2000-
16
1950-
15
1933-1945
13
1994-
13
Since 1991
12
1982-
11
1960-
10
476-1492
10
1900 - 1999
9
1947-
9
1970-
9
2000 - 2099
9
Since 1989
9
Since 2000
9
To 1492
9
Victoria, 1837-1901
9
1066-1485
8
1985-1991
8
Since 1994
8
1871-1918
7
1878-1953
7
Ottoman Empire, 1288-1918
7
Republic, 1912-1949
7
Since 1980
7
1918-1945
6
1918-1960
6
1961-1969
6
1963-1969
6
1980-1989
6
more ...