Category
page 1970s in Japan
Anna
Japanese era from 968 to 970
Tenroku
was a after Anna and before ''Ten'en.'' This period spanned the years from March 970 through March 973. The reigning emperors were and .
Jōgen
Japanese era from 976 to 978
Tengen
Japanese era from 978 to 983
Ten'en
was a after Tenroku and before Jōgen. This period spanned the years from December 973 through July 976. The reigning emperor was .