Adalla of Silla

Adalla of Silla
Hangul	아달라 이사금
Hanja	阿達羅尼師今
Revised Romanization	Adalla Isageum
McCune–Reischauer	Adalla Isagŭm

Monarchs of Korea Silla (Pre-unification)

Hyeokgeose 57 BCE – 4 CE Namhae 4–24 Yuri 24–57 Talhae 57–80 Pasa 80–112 Jima 112–134 Ilseong 134–154 Adalla 154–184 Beolhyu 184–196 Naehae 196–230 Jobun 230–247 Cheomhae 247–261 Michu 262–284 Yurye 284–298 Girim 298–310 Heulhae 310–356 Naemul 356–402 Silseong 402–417 Nulji 417–458 Jabi 458–479 Soji 479–500 Jijeung 500–514 Beopheung 514–540 Jinheung 540–576 Jinji 576–579 Jinpyeong 579–632 Seondeok 632–647 Jindeok 647–654 Muyeol 654–661

Adalla of Silla (died 184, r. 154–184) was the eighth ruler of Silla, one of the Three Kingdoms of Korea. He is commonly called Adalla Isageum, isageum being the royal title in early Silla. As a descendent of Silla's founder Hyeokgeose, his surname was Bak.

He was the eldest son of King Ilseong, his mother being of the Bak clan. He married the daughter of King Jima, making this a marriage of 8th degree consanguinity. He was the last of the Bak clan to rule over early Silla. Descendants of Bak Hyeokgeose would rule again near the end of Unified Silla.

Judging from the reports in the Samguk Sagi, Adalla's reign was a time of considerable expansion. Because Silla was still a small state, however, some scholars doubt the chronology, or attribute the territorial battles with the Seok clan, who replaced the Bak clan as Silla royalty after Adalla's reign.

He is said to have opened the road over Haneuljae (in present-day Mungyeong) in 157, and also the pass of Jungnyeong (in present-day Yeongju) in 159, extending Silla north of the Sobaek mountains.

Tensions increased with the rival Korean kingdom Baekje for harboring a Silla traitor. The Samguk Sagi reports 20,000 soldiers and 8,000 cavalry of Silla battled Baekje in 167.

During his reign, Adalla maintained peaceful relations with the Wa of Japan, who sent an envoy in 158. Himiko sent another envoy in 173.

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