About Goryeo–Khitan War
The Goryeo–Khitan War was a series of 10th- and 11th-century conflicts between Goryeo and the Khitan Liao dynasty near the present-day border between China and North Korea.
The Goryeo–Khitan War was a series of 10th- and 11th-century conflicts between Goryeo and the Khitan Liao dynasty near the present-day border between China and North Korea.
