With the fall of Gojoseon, southern Korea entered the Samhan period.
Located in the southern part of the Korean Peninsula, Samhan refers to the three confederacies of Mahan, Jinhan, and Byeonhan. Byeonhan and Jinhan both consisted of twelve states, bringing a total of 78 states within the Samhan.
Located on the Korean Peninsula, Korea is bordered by China to the northwest and Russia to the northeast.
"Great Joseon" was the name of the kingdom ruled by the Joseon dynasty from 1393 until their declaration of the short-lived Great Korean Empire in 1897.
King Taejo had named them for the earlier , the Han dynasty defeated Gojoseon and installed four commanderies in the northern Korean peninsula.
However, multiple invasions by the Mongol Yuan Dynasty during the 13th century greatly weakened the nation, which eventually agreed to become a vassal state after decades of fighting.
Following the Yuan Dynasty's collapse, severe political strife followed, and Goryeo eventually fell to a coup led by General Yi Seong-gye, who established Joseon in 1392.
Three of the commanderies fell or retreated westward within a few decades, but the Lelang commandery remained as a center of cultural and economic exchange with successive Chinese dynasties for four centuries.