Dongyeball was originally born as a 1ball and shared the same ethnic groups with Okjeoball and Goguryeoball.
During its lifetime, it did a custom called "Mucheon" (무천, 舞天) often.
Dongyeball was killed by Goguryeoball in the 3rd century.
This image shows most of Korea's historical countryballs. Dongyeball is above Goryeoball
the Timeline of Korea