Historical detoursSourced
A prize for knowing
where your ship was.
Britain’s Longitude Act of 1714 offered rewards for a practical way to determine longitude at sea.
Owning a map was not the same
as knowing your position.
Summary / translation: Unbubly · CC BY-SA 4.0
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Longitude Act · Wikimedia contributors
Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.
Reviewed: 2026-09-30