Country Korea (North), their brief history and states; chronology.

States of the Country Korea (North)

…	108 BC - 37 BC
Goguryeo	37 BC - 668
Buyeo kingdom	2 century BC - 494
Gaya confederacy	42 - 562
Bukbuyeo	285 - 58
Silla	503 - 935
Balhae	698 - 926
Empire of Goryeo	918 - 1392
Greater Korean Empire	1897 - 1910
Democratic People's Republic of Korea	1948 - ....