Ungjin (475) — the same event in Samguk Sagi and Samguk Yusa

Samguk Sagi: King Munju moved the capital to Ungjin.; Samguk Yusa: King Munju moved the capital to Ungcheon (today's Gongju).

What each source says

Samguk Sagi (History of the Three Kingdoms) · AD 475 · 공주시

King Munju moved the capital to Ungjin.

冬十月，移都於熊津。
Location: 卷26 文周王 即位條

Samguk Yusa (Memorabilia of the Three Kingdoms) · AD 475 · Gongju (Ungjin)

King Munju moved the capital to Ungcheon (today's Gongju).

元徽三年乙卯。移都熊川
Location: 紀異第二 南扶餘 前百濟

Place: 공주

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