The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file
Around 1520 the San Lorenzo facade commission collapsed after marble outlays. In the causal graph this event weakens the driver Fiscal-Policy Sustainability.
Read the full account
Around 1520 the San Lorenzo facade commission collapsed after marble outlays. Leo X cancelled. Pietrasanta roads served a wall that did not rise. The New Sacristy is a different Fact. Michelangelo's documented role is: He spent years on a never-built marble facade for the Medici parish church. Leo X cancelled; blocks remained. Pietrasanta roads were cut for a wall that did not rise.
Context
The Medici parish is the church. Sharing the waste with Leo X and unnamed quarrymen is required. The setting of The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file is the public file around 1520-01-01. 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
Worsening path from The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file on 1520-01-01. 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.
Michelangelo
PersonDirect responsibility
responsibility level 0.4 · verified
He spent years on a never-built marble facade for the Medici parish church. Leo X cancelled; blocks remained. Pietrasanta roads were cut for a wall that did not rise.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactThe San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file
- weakensDriverFiscal-Policy Sustainability
impact weight 0.4 · Effect from 1 January 1520 · verified
Evidence
The sources behind this fact and its verification state.
- 1.Casa Buonarroti — early Florence heritageCasa Buonarroti · High credibility · verified
- 2.Britannica — Michelangelo, Ghirlandaio apprenticeshipEncyclopaedia Britannica · High credibility · verified
What the sources establish
Official locator: Britannica — Michelangelo, San Lorenzo facade at https://www.britannica.com/biography/Michelangelo (opens in a new tab) (Encyclopaedia Britannica). Independent locator: Casa Buonarroti — San Lorenzo facade drawings heritage at https://casabuonarroti.it/ (opens in a new tab) (Casa Buonarroti). Official carrier: Britannica — Michelangelo, San Lorenzo facade (https://www.britannica.com/biography/Michelangelo (opens in a new tab); Encyclopaedia Britannica). Independent carrier: Casa Buonarroti — San Lorenzo facade drawings heritage (https://casabuonarroti.it/ (opens in a new tab); Casa Buonarroti).
Established: a sourced public record of The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file under 1520-01-01 for Michelangelo. Established: a sourced public record of The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file under 1520-01-01.
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 The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file are separate paths.
Shared responsibility is part of The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file. Naming Michelangelo does not delete co-authors, institutions, or later transmitters. The lag from 1520-01-01 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.
Causal path
How this event connects to drivers and indicators in the graph.
- ActorMichelangelo
- contributed toFactThe San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file
- weakensDriverFiscal-Policy Sustainability
Cite this page
Factrail. (2026). The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file. Factrail. https://factrail.ai/facts/mic-facade-1520
https://factrail.ai/facts/mic-facade-1520
Accessed 16 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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