Category
page 11100s in Japan
Kōwa
Japanese era from August 1099 to February 1104
Chōji
was a after Kōwa and before Kajō. This period spanned the years from February 1104 through April 1106. The reigning emperor was .
Kashō
, also romanized as Kashō, was a after Chōji and before Tennin. This period spanned the years from April 1106 through August 1108. The reigning emperors were and .
Tennin
Japanese era from August 1108 to July 1110