Goguryeo–Tang War

Quick Facts: Who was Goguryeo–Tang War?

Subject:

Goguryeo–Tang War

Known for:

The protracted conflict (645-668) that ended the Three Kingdoms period in Korea.

Verified Source:

2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

The Goguryeo–Tang War occurred from 645 to 668 and was fought between Goguryeo and the Tang dynasty. During the course of the war, the two sides allied with various other states. Goguryeo successfully repulsed the invading Tang armies during the first Tang invasions of 645–648. After conquering Baekje in 660, Tang and Silla armies invaded Goguryeo from the north and south in 661, but were forced to withdraw in 662. In 666, Yŏn Kaesomun died and Goguryeo became plagued by violent dissension, numerous defections, and widespread demoralization.

Career & Major Achievements

The Tang–Silla alliance mounted a fresh invasion in the following year, aided by the defector Yŏn Namsaeng. In late 668, exhausted from numerous military attacks and suffering from internal political chaos, Goguryeo and the remnants of Baekje army succumbed to the numerically superior armies of the Tang dynasty and Silla. The war marked the end of the Three Kingdoms of Korea period which had lasted since 57 BC. It also triggered the Silla–Tang War during which the Silla Kingdom and the Tang Empire fought over the spoils they had gained. Silla had made numerous requests to the Tang court for military assistance against the Kingdom of Goguryeo, which the Tang court began to consider not long after they had decisively defeated the Göktürks in 628.

Enduring Legacy & Impact

At the same time, however, Silla was also engaged in open hostilities with Baekje in 642. A year before in 641, King Uija had assumed the throne of Baekje. In 642, King Uija attacked Silla and captured around 40 strongpoints. Meanwhile, in 642, the military dictator Yŏn Kaesomun murdered over 180 Goguryeo aristocrats and seized the Goguryeo throne. He placed a puppet king onto the throne after killing the king in 642.

Historical Fact-Check Quiz: Goguryeo–Tang War

True or False: “Did Goguryeo successfully repel all initial Tang invasions during the 645–648 period?”

Answer (FALSE ❌): While they repulsed the first wave, a fresh invasion by the Tang–Silla alliance occurred in 667, leading to their eventual collapse.

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