Assertion: dynasty's capital | /r/HasProperty | gaegyeong
Facets:
Source sentences:
text: Goryeo maintained multiple capitals: the main capital "Gaegyeong" (also called "Hwangdo" or "Imperial Capital") in modern-day Kaesong, the "Western Capital" in modern-day Pyongyang, the "Eastern Capital" in modern-day Gyeongju, and the "Southern Capital" in modern-day Seoul.