Dongnaeball is a historic cityball and a major region(Gu,구) of Busanball It was born in 757.
In 757, Silaball's King made Dongnaeball. During Goryeoball's time, Tokugawaball's(Japanball) ancestors invaded Dongnaeball but Goreyeo got it back.
Joseonball made Dongnaeball a major cityball of Joseonball. In 1914, it became "Dongnae country" because of Japanese Empire. Soon in 1942, It became a part of Busanball.
Dongnaeball lives inside Busanball peacefully until today.