Yangwon of Goguryeo

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Yangwon of Goguryeo
Hangul 양원왕, 양강(상호)왕
Hanja 陽原王, 陽崗(上好)王
Revised Romanization Yangwon-wang, Yanggang(sangho)-wang
McCune–Reischauer Yangwŏn-wang, Yanggang(sangho)-wang
Birth name
Hangul 평성
Hanja 平城
Revised Romanization Pyeong-seong
McCune–Reischauer P'yŏngsŏng
Monarchs of Korea
Goguryeo
  1. King Chumo 37-19 BCE
  2. King Yuri 19 BCE-18 CE
  3. King Daemusin 18-44
  4. King Minjung 44-48
  5. King Mobon 48-53
  6. King Taejodae 53-146
  7. King Chadae 146-165
  8. King Sindae 165-179
  9. King Gogukcheon 179-197
  10. King Sansang 197-227
  11. King Dongcheon 227-248
  12. King Jungcheon 248-270
  13. King Seocheon 270-292
  14. King Bongsang 292-300
  15. King Micheon 300-331
  16. King Gogug-won 331-371
  17. King Sosurim 371-384
  18. King Gogug-yang 384-391
  19. King Gwanggaeto 391-413
  20. King Jangsu 413-490
  21. King Munja 491-519
  22. King Anjang 519-531
  23. King An-won 531-545
  24. King Yang-won 545-559
  25. King Pyeong-won 559-590
  26. King Yeong-yang 590-618
  27. King Yeong-nyu 618-642
  28. King Bojang 642-668

King Yangwon of Goguryeo (died 559) (r. 545–559) was the 24th ruler of Goguryeo, the northernmost of the Three Kingdoms of Korea. He was the eldest son of King Anwon. During Yangwon's reign, Goguryeo gradually grew weaker and was obliged to take various urgent measures to block foreign invasions, eventually losing the Seoul region to the alliance of the other two Korean kingdoms.

He was confirmed as heir to the throne in 533, the third year of King Anwon's reign. Although he was the heir, it is said that he was not able to simply assume power after his father's death. Anwon had three wives, and because the first did not bear him a son, the other queens strove to put their son on the throne. Yangwon's supporters won the military struggle and he was able to succeed to the throne.

Preparing for war in 547, the king rebuilt Baegam fortress and repaired Sin fortress. In 548, he sent 6,000 soldiers against Baekje's Doksan fortress but the Silla general Ju Jin led a relief army and the Goguryeo assault failed. In 550, Baekje invaded and sacked Dosal fortress. Goguryeo counterattacked and struck Baekje's Geumhyeon fortress, but Silla took advantage of this to seize two more Goguryeo castles.

In 551, the emerging empire of the Göktürks invaded from Central Asia and laid siege to Sin fortress; unable to take it, they attackd Baegam fortress instead. At this, King Yangwon sent his general Go Heul and 10,000 troops against the Göktürks; they killed or captured 1,000. In the same year, Silla invaded once again and captured ten districts of the present-day Seoul region. In 552, Jangan fortress was built. In 554, Yangwon's forces attacked Ungcheon fortress in Baekje, but failed to take it.

In 557, Yangwon designated the prince Go Yang-seong as heir to the throne. In the tenth lunar month of that same year, the commander Gan Juri of Hwando fortress rebelled, but the rebellion was put down and he was executed. King Yangwon died in 559, after fifteen years on the throne.

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