He was also known as Kŏch'adon (거차돈; 居次頓), or by his courtesy name, Yŏmch'ok (염촉; 厭觸), or Yŏmdo, (염도; 厭都), Early in his reign, Beopheung had desired to promulgate Buddhism as the state religion.
In the fourteenth year of his reign, Beopheung's "Grand Secretary", Ichadon, devised a strategy to overcome court opposition.
Ichadon schemed with the king, convincing him to make a proclamation granting Buddhism official state sanction using the royal seal.
When Ichadon was executed on the 15th day of the 9th month in 527, his prophecy was fulfilled; the earth shook, the sun was darkened, beautiful flowers rained from the sky, his severed head flew to the sacred Geumgang mountains, and milk instead of blood sprayed 100 feet in the air from his beheaded corpse.
[1] The omen was accepted by the opposing court officials as a manifestation of heaven's approval, and Buddhism was made the state religion in 527 CE.