|Dates are from the Isawa Calendar|
|Centuries:||11th century - 12th century - 13th century|
|Years:||1137 1138 1139 - 1140 - 1141 1142 1143|
- Asako Toshi becomes the Asako family daimyo.
- Doji Haranobu leads the Empress' Guard in foiling a plot by Hantei XVI to murder Toturi Kaede and kidnap Toturi Naseru.
- A terrible earthquake shakes the Imperial City Otosan Uchi.
- The Yodotai Invasion of Senpet lands begins.