Era
2009-
58
21st century
38
20th century
24
2001-2009
20
1993-2001
12
1971-1981
11
2000-2099
10
2008-2009
10
1945-
9
1981-1993
7
1900-1999
5
1961-1971
5
1981-
5
1981-2001
5
19th century
5
2001-
5
17th century
4
1945-1989
4
1989-
4
1991-
4
2009-2017
4
Since 2009
4
1648-1721
3
18th century
3
1933-
3
1979-1997
3
1991-2016
3
Louis XIV, 1643-1715
3
Since 1991
3
Since 2000
3
1328-1589
2
1600-1715
2
1900-2099
2
1918-1945
2
1929
2
1945-1960
2
1952-
2
1976-2000
2
1983-
2
1990-
2
2019
2
Qing dynasty, 1644-1912
2
Since 1952
2
Since 1989
2
Since 1990
2
To 1500
2
1492-1648
1
15th century
1
1600-1699
1
1649-1660
1
more ...