History of Samcheok

505 The name changed to Sil-jickjoo (Jijeung 6th)

658 The name changed to Book-jin (Muyeol 5th)

Unified Silla

757 The name changed to Samcheok-gun (Gyeongdeok 16th)

Goryeo Dynasty

995 The name changed to Cheokjoo (Seongjong 14th)

1018 The name changed to Samcheok-hyun (Hyeonjong 9th)

Joseon Dynasty

1393 Samcheok-hyun was raised into Samcheok-bu (Taejo 2nd)

1413 change of the name to Samcheok protectorate (Taejong 13th)

1895 change of the name to Samcheok-gun (Gojong 32nd)

Japanese occupation