<page_title> List of monarchs of Korea </page_title> <section_title> List </section_title> <table> <cell> 13 <col_header> # </col_header> <col_header> Westernized </col_header> </cell> <cell> 346–375 <col_header> Period of reign </col_header> </cell> <cell> Geunchogo Chogo Sokgo Jogo <col_header> Posthumous name </col_header> </cell> </table>
Geunchogo (r. 346–375) was the 13th king of Korea.