Wiryeseong () was the name of two early capitals of Baekje, one of the Three Kingdoms of Korea. Both are believed to have been in the modern-day Seoul area. According to the Samguk sagi (the oldest surviving Korean history books, written in the 12th century), Onjo, the son of Goguryeo's founder Jumong, founded the nation of Sipje (십제, 十濟; later became Baekje) on Wiryeseong in 18 BC, while his elder brother Biryu established himself in Michuhol () further to the west. The location of Michuhol is usually believed to be present-day Incheon.
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Wiryeseong () was the name of two early capitals of Baekje, one of the Three Kingdoms of Korea. Both are believed to have been in the modern-day Seoul area. According to the Samguk sagi (the oldest surviving Korean history books, written in the 12th century), Onjo, the son of Goguryeo's founder Jumong, founded the nation of Sipje (십제, 十濟; later became Baekje) on Wiryeseong in 18 BC, while his elder brother Biryu established himself in Michuhol () further to the west. The location of Michuhol is usually believed to be present-day Incheon.
After some time, Biryu recognized that Michuhol's land was too barren and saline to sustain his people, so he moved to Wiryeseong with his people (Shortly after, the name of the state is changed from Sipje to Baekje). Later, Onjo moved further south because of Malgal to the north and Lelang to the east.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).