This is the current revision of this page, as edited by Bamnamu (talk | contribs) at 22:52, 11 December 2023 (as per https://www.britannica.com/topic/yangban: "The Yi dynasty had a rigidly hierarchical class system composed broadly of four classes: yangban, chungin (intermediate class), sangmin (common people), and ch’ŏnmin (lowborn people)."). The present address (URL) is a permanent link to this version.