Queen Seondeok of Silla

queen-regnant of Silla

Cheomseongdae () is an astronomical observatory in Gyeongju, South Korea. Cheomseongdae is the oldest surviving astronomical observatory in Asia, and possibly even the world. It was constructed during the Silla period, during the reign of Queen Seondeok (r. 632–647 AD). Cheomseongdae was designated as the country's 31st national treasure on December 20, 1962. It is part of Gyeongju Historic Areas, a UNESCO World Heritage Site.

2009 South Korean historical drama television series

26th king of the Silla dynasty

2018 expansion pack for Civilization VI

queen

Korean princess

Queen Consort of Baekje