Goryeo Unification of the Korean Peninsula

Timeline

1. c. 918–935Songak · Korean PeninsulaWang Geon founded Goryeo in 918, after which it formed a three-way standoff with Later Baekje and Silla. Goryeo gradually controlled key areas in the northwest and center of the peninsula, accumulating military strength and political legitimacy for the war of unification.
2. 936Ilsan · Korean PeninsulaIn 936, Goryeo forces defeated Gyeon Hwon near Ilsan, the capital of Later Baekje, and Later Baekje fell. This battle eliminated Goryeo's strongest rival on the path to unification, rapidly tilting the balance of power on the peninsula toward Goryeo.
3. 935–936Gyeongju · Korean PeninsulaSilla's last ruler, Kim Bu, surrendered to Goryeo, and in 936 the peninsula came under Goryeo rule. Wang Geon was invested as king, the Later Three Kingdoms period ended, and the unified Goryeo dynasty was formally established.