Art of dating korra
0 AG is the year Fire Lord Sozin used the power from Sozin's Comet to begin the Hundred Year War with the Air Nomad Genocide and serves as an epoch for the dating system.
This would also mean Korra would be living during the Chun Tai (Honest and exalted) Era.
Whenever the inhabitants of their cities would venture into the Spirit Wilds, the creatures would bestow the people with the ability to bend the element the turtle was affiliated with; the power was to be returned upon their reentry to the city.
However, after the creation of the Avatar, the lion turtles denounced their roles as protectors of mankind, and the people were left to make their own homes scattered across the world, which eventually led to the division of the world into the four nations.
All listed in this category descend from her, with one exception instead through marriage.A few weeks after Harmonic Convergence, Bolin and his friends traveled around the Earth Kingdom to search for airbenders.At one point, the group had to flee from Ba Sing Se and split up from Tenzin. If this is the case, Aang would be living during the Ri Wu (Superior military) Era, Roku during the Zhuo Guang (Brilliant light) Era, Kyoshi during the Yuan Zheng (Bastion of righteousness) Era, and so on. This system might therefore be based on the Avatar Cycle, with the era changing upon the death of each Avatar.