NAJU CITY FUNDAMENTALS EXPLAINED

In the course of this tumultuous period, Goryeo momentarily conquered Liaoyang in 1356, repulsed two large invasions via the Crimson Turbans in 1359 and 1360, and defeated the final endeavor because of the Yuan to dominate Goryeo when Common Ch'oe Yŏng defeated a Mongol tumen in 1364. During the 1380s, Goryeo turned its notice on the Wokou threat