Historical Units

리그

정의

사람이나 말이 한 시간 동안 걸을 수 있는 거리로 정의된 역사적 거리 단위로, 영어권에서는 보통 약 4.8 km(3마일)로 표준화되었다.

설명

Leagues varied significantly by country and era: the Spanish legua was ~4.2 km, while the nautical league equals exactly 3 nautical miles (~5.556 km). Jules Verne's '20,000 Leagues Under the Sea' refers to horizontal distance traveled, not depth — 20,000 leagues is roughly 111,000 km, nearly three times Earth's circumference. The unit is no longer used in formal measurement but persists in literature.

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