|Dates are from the Isawa Calendar|
|Centuries:||11th century - 12th century - 13th century|
|Years:||1138 1139 1140 - 1141 - 1142 1143 1144|
- Togashi Hoshi teaches his son Togashi Yoshune in the mountains of the Dragon Clan.
- The monk Haru discovers a scale of the Water Dragon in the Dragon Mountains, creating a shrine on the banks of a small lake, and using the heavenly disk as anvil of his forge.