 Dangunists believe their mythos to be the authentic Korean native religion, that was already around as "Gosindo" (古神道, "way of the Ancestral God" or "ancient way of God") at the time of the first Mongol invasions of Korea, and that was revived as "Daejongism" ("Daejonggyo") just at the start of the Japanese occupation.The religion was suppressed during the Japanese rule.The religion believes in one God manifested in three persons, whose earthly incarnation was the legendary king Dangun, who ruled over a Korean empire around 5000 years ago.