Tempus ab 57 a.C.n. coepit, quando Silla regnum (tunc Saro), quod in meridiano et oriente paeninsulae fuit, autonomiam ab domus Han imperii Sinici obtinuit.
Goguryeo in septentrione, in meridiano fluminis Ialy (Coreane: Amnoc), primo anno 75 a.C.n. nota est in annalibus Sinensibus ut regio "localis." Anno 37 a.C.n., autonomiam obtinuit a Sinis, secundum historias Coreanas. In his historias, scriptum est quod rex primus Goguryeo natus est ex ovo quod puella dei fluminis peperat cum filio Imperatoris Caeli.
Historiae Coreanae tradunt quod in 18 a.C.n. Baekje condita est; duo principes Goguryeo fugerunt ex conflictu ut successor esse, et Paekche condiderunt in meridiano et occidente paeninsulae (ubi nunc Seulum est) cuius caput Unggin (nunc Congzu), postea quam Sabi (nunc Puio) in meridiano et occidente Soulis. Regnum Caia separatum est a Paecce in saeculo 1 p.C.n. Baekje notus est a fontibus Sinensibus in saeculo 4 a praefecto Goguryeo.
Tempus trium regnorum in 668 finitum est quando Silla vicit alia duo. Cogurio victum est post Baekje. Post hoc, fuit tempus Sillae Unitae.
Duo libri classici pro tribus regnis nominatus sunt. Nomina Samguk Sagi et Samguk Yusa sunt, Samguk significans tria regna.
Bibliographia
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Tae-Don Noh, "A Study of Koguryŏ Relations Recorded in the Silla Annals of the "Samguk Sagi"" in Korean Studies vol. 28 (2004) pp. 105-128
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