Era
21st century
19
20th century
18
19th century
17
2000-
12
1976-2000
9
2000-2099
8
1900-1999
7
Since 2000
7
1976-2002
6
1800-1899
5
1960-
5
1969-
4
1976-
4
2009-
4
1800-1999
3
1883-1950
3
18th century
3
1955-
3
1955-2011
3
1972-
3
1981-
3
1984-
3
2001-
3
2001-2009
3
Since 1976
3
1066-1485
2
17th century
2
1856-1915
2
1949-
2
1952-
2
1954-
2
1963-
2
1964-
2
1975-
2
1985-1991
2
1989-
2
2000 - 2099
2
Colonial period, ca. 1600-1775
2
Medieval, 500-1500
2
Since 1960
2
Since 2001
2
To 1500
2
To 1775
2
1600-1775
1
1700-1799
1
1706-1790
1
1727-1794
1
1794-1846
1
1835-1900
1
1835-1919
1
more ...