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The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan

By 1498 Leonardo completed the Last Supper on the refectory wall of Santa Maria delle Grazie. In the causal graph this event strengthens Social Cohesion, a driver that strengthens Having a say in government — an improving welfare path.

Read the full account

By 1498 Leonardo completed the Last Supper on the refectory wall of Santa Maria delle Grazie. It is one painting. Later UNESCO listing is not this act. Leonardo da Vinci's documented role is: He painted the refectory wall. The Dominican house hosted it; experimental technique later failed, stored as a neighbouring cost.

Context

Ludovico's court and the Dominicans share the commission. Sharing the wall with that house is required. The setting of The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan is the public file around 1498-01-01. Driver social-cohesion is attached because the significance names a mechanism from this act, not because a standing list needed coverage.

Shared responsibility is part of The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan. Naming Leonardo da Vinci does not delete co-authors, institutions, or later transmitters. The lag from 1498-01-01 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.

Why it matters

Improving path from The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan on 1498-01-01. The welfare reading on this path is improving.

Who was responsible

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

  • Leonardo da Vinci

    Person

    Direct responsibility

    responsibility level 0.64 · verified

    He painted the refectory wall. The Dominican house hosted it; experimental technique later failed, stored as a neighbouring cost.

What changed

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

    1. FactThe Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan
    2. strengthensDriverSocial Cohesion
    3. strengthensIndicators (2)Having a say in government
    Improving path

    impact weight 0.55 · Effect from 1 January 1498 · verified

    • Having a say in government

      via Social Cohesion

      Better

      Strengthens · Relationship strength 0.25 (weight 0.55 × strength 0.45)

      Observed

      29.8% of population aged 16-65 years · 8.13 below the normal line (2023)

      Worse than normal

      Two readings: 30.2% of population aged 16-65 years (2021) and 29.8% of population aged 16-65 years (2023).

      20212023

      Above normal = better

    • Rule of Law Gap from the Highest Governance Score

      via Social Cohesion

      Better

      Weakens · Relationship strength 0.25 (weight 0.55 × strength 0.45)

      Observed

      43.9 Score · 43.9 above the normal line (2024)

      Worse than normal

      26 readings, 1996–2024: rose from 43 Score to 43.9 Score.

      Normal is zero · any amount = worse

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Polo Museale Lombardia — Santa Maria delle Grazie / Last Supper heritagePolo Museale della Lombardia · High credibility · verified
  2. 2.Britannica — Leonardo, painters' company 1472Encyclopaedia Britannica · High credibility · verified
What the sources establish

Official locator: Polo Museale Lombardia — Santa Maria delle Grazie / Last Supper heritage at https://www.polomuseale.lombardia.beniculturali.it/en/museums/santa-maria-delle-grazie/ (opens in a new tab) (Polo Museale della Lombardia). Independent locator: Britannica — Last Supper, Leonardo at https://www.britannica.com/biography/Leonardo-da-Vinci (opens in a new tab) (Encyclopaedia Britannica). Official carrier: Polo Museale Lombardia — Santa Maria delle Grazie / Last Supper heritage (https://www.polomuseale.lombardia.beniculturali.it/en/museums/santa-maria-delle-grazie/ (opens in a new tab); Polo Museale della Lombardia). Independent carrier: Britannica — Last Supper, Leonardo (https://www.britannica.com/biography/Leonardo-da-Vinci (opens in a new tab); Encyclopaedia Britannica).

Established: a sourced public record of The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan under 1498-01-01 for Leonardo da Vinci. Established: a sourced public record of The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan under 1498-01-01.

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

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

Confidence is stated on the impact path, not hidden in adjectives. Mixed effects of The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan are separate paths.

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

Causal path

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

  1. ActorLeonardo da Vinci
  2. contributed toFactThe Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan
  3. strengthensDriverSocial Cohesion
  4. strengthensIndicatorHaving a say in government

Cite this page

Factrail. (2026). The Last Supper is completed as a wall painting in Santa Maria delle Grazie, Milan. Factrail. https://factrail.ai/facts/ldv-last-supper-1498

https://factrail.ai/facts/ldv-last-supper-1498

Accessed 16 October 2026.

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

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