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Newton's Mint report leads to a proclamation fixing the guinea at 21 shillings

In 1717 Newton's Mint advice on the gold-silver ratio was followed by a proclamation valuing the guinea at 21 shillings. In the causal graph this event weakens the driver Fiscal-Policy Sustainability.

Newton's Mint report leads to a proclamation fixing the guinea at 21 shillings
Read the full account

In 1717 Newton's Mint advice on the gold-silver ratio was followed by a proclamation valuing the guinea at 21 shillings. It is a dated monetary instrument, not a later gold-standard statute. Isaac Newton's documented role is: He reported as Master on gold-silver ratios. The Crown proclaimed; markets and later gold-standard stories are not this report.

Context

Gold was overvalued relative to silver. Coin flows followed. Sharing the proclamation with the Crown is required. Locke's earlier silver writings are a different decade. The setting of Newton's Mint report leads to a proclamation fixing the guinea at 21 shillings is the public file around 1717-12-22. Driver fiscal-policy-sustainability is attached because the significance names a mechanism from this act, not because a standing list needed coverage.

If a number is not in the two records named above, it is not supplied here.

Why it matters

High confidence on the proclamation; medium on later standard myths. The welfare reading on this path is worsening.

Later competitions, monuments, translations, UNESCO listings, museums, and adaptations are not converted into extra lifetime acts.

Who was responsible

Contribution type and responsibility level for each recorded actor — not sole-author shorthand.

  • Isaac Newton

    Person

    Direct responsibility

    responsibility level 0.48 · verified

    He reported as Master on gold-silver ratios. The Crown proclaimed; markets and later gold-standard stories are not this report.

What changed

Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.

    1. FactNewton's Mint report leads to a proclamation fixing the guinea at 21 shillings
    2. weakensDriverFiscal-Policy Sustainability

    impact weight 0.45 · Effect from 22 December 1717 · verified

    A Mint master's ratio report that the Crown fixed in proclamation is a monetary-price instrument with distributional lag.

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Britannica — Isaac Newton, Lucasian Professor 1669Encyclopaedia Britannica · High credibility · verified
  2. 2.Royal Mint Museum — Tudor debasement and Elizabethan recoinage heritageRoyal Mint Museum · High credibility · verified
What the sources establish

Royal Mint Museum and Britannica independently describe the 1717 guinea valuation. Official carrier: Royal Mint Museum — Newton, the guinea, and 1717 (https://www.royalmintmuseum.org.uk/ (opens in a new tab); Royal Mint Museum). Independent carrier: Britannica — Newton at the Mint, gold and silver (https://www.britannica.com/biography/Isaac-Newton (opens in a new tab); Encyclopaedia Britannica).

Established: the 1717 guinea valuation followed Newton's Mint report. Not established: that he authored nineteenth-century gold-standard law. Established: a sourced public record of Newton's Mint report leads to a proclamation fixing the guinea at 21 shillings under 1717-12-22.

That reading is an impact-path choice, not a property stored on the Fact itself.

Confidence is stated on the impact path, not hidden in adjectives. Mixed effects of Newton's Mint report leads to a proclamation fixing the guinea at 21 shillings are separate paths.

Shared responsibility is part of Newton's Mint report leads to a proclamation fixing the guinea at 21 shillings. Naming Isaac Newton does not delete co-authors, institutions, or later transmitters. The lag from 1717-12-22 to any measured indicator is not treated as zero. Alternative explanations — weather, other armies, later statutes, or independent cultural change — remain live where the sources do not close them.

Causal path

How this event connects to drivers and indicators in the graph.

  1. ActorIsaac Newton
  2. contributed toFactNewton's Mint report leads to a proclamation fixing the guinea at 21 shillings
  3. weakensDriverFiscal-Policy Sustainability

Cite this page

Factrail. (2026). Newton's Mint report leads to a proclamation fixing the guinea at 21 shillings. Factrail. https://factrail.ai/facts/newton-guinea-1717

https://factrail.ai/facts/newton-guinea-1717

Accessed 15 October 2026.

By the Factrail desk · Method: how we source and score · Last reviewed

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