In the course of this tumultuous period, Goryeo momentarily conquered Liaoyang in 1356, repulsed two huge invasions via the Red Turbans in 1359 and 1360, and defeated the final endeavor through the Yuan to dominate Goryeo when Common Ch'oe Y?ng defeated a Mongol tumen in 1364. Over the 1380s, Goryeo turned its consideration towards the Wokou risk a