668 disestablishments

period of Korean history (1st century BCE – 7th century CE), where three kingdoms (Goguryeo, Baekje, and Silla) coexisted on the Korean peninsula

Goguryeo (37 BC – 668 AD) (; ; Old Korean: Guryeo) also later known as Goryeo (; ; Middle Korean: 고ᇢ롕〮, kwòwlyéy), was a Korean kingdom which was located on the northern and central parts of the Korean peninsula and the southern and central parts of modern-day Northeast China (Manchuria). At its peak of power, Goguryeo encompassed most of the Korean peninsula and large parts of Manchuria, along with parts of eastern Mongolia, Inner Mongolia, and modern-day Russia.