the 15th day of the 8th month, where two teams of women would compete in a contest. The losers of the contest would have to prepare songpyeon, rice cakes, meats, fruits, and other food, shared by everyone in a feast. This is said to have been the origin of the modern Korean holiday Chuseok. Also during Yuri Isageum's reign was the rise of the Gaya confederacy as a military power in the region. Silla was under constant rivalry with Baekje(or maybe Mahan) already, but Gaya in the middle was even more of a direct threat. Succession Yuri Isageum had two sons, but his dying words were to make his brother-in-law, Seok Talhae, his successor to the throne. Yuri Isageum died in 57 AD after 34 years of reign. See also Three Kingdoms of Korea Rulers of Korea Proto–Three Kingdoms of Korea References The Academy of Korean Studies Korea Britannica Silla rulers 57 deaths 1st-century monarchs in Asia Year of birth unknown 1st-century Korean people