Era
20th century
568
1989-
518
21st century
454
1945-1989
432
1945-
375
2000-2099
203
Since 1989
178
1900-1999
140
1955-1965
115
1975-1985
92
1933-1945
90
1945-1955
90
1985-1995
70
19th century
68
Since 1945
63
1900-1945
55
1919-1932
47
1955-
46
1965-1975
45
Since 1900
40
1918-1945
38
1995-2005
35
To 1900
31
1945-1953
30
1900-1918
27
1900-2099
25
2001-
20
1945-1991
19
1965-
19
2001-2009
18
2005-2015
17
1874-1965
16
1936-1945
16
1981-1989
16
1946-
15
1963-1969
14
Since 2000
14
1800-1999
13
1950-
13
1990-
13
1993-2001
13
2000 - 2099
13
1917-1945
11
1985-1991
11
Unification, 1990
11
1953-1961
10
2009-2017
10
1871-1918
9
1960-
9
1961-1963
9
more ...