# The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file

Date: 1520

## The fact

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. Shared offices, unnamed crews, printers, or later editors may appear without becoming this instrument. Driver [fiscal-policy-sustainability](/drivers/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.

## Evidence and sources

Official locator: Britannica — Michelangelo, San Lorenzo facade at https://www.britannica.com/biography/Michelangelo (Encyclopaedia Britannica). Independent locator: Casa Buonarroti — San Lorenzo facade drawings heritage at https://casabuonarroti.it/ (Casa Buonarroti). Official carrier: Britannica — Michelangelo, San Lorenzo facade (https://www.britannica.com/biography/Michelangelo; Encyclopaedia Britannica). Independent carrier: Casa Buonarroti — San Lorenzo facade drawings heritage (https://casabuonarroti.it/; Casa Buonarroti).

Official or archival record: Britannica — Michelangelo, San Lorenzo facade (https://www.britannica.com/biography/Michelangelo; Encyclopaedia Britannica).

## Significance

Worsening path from The San Lorenzo facade commission collapses around 1520 after marble outlays as a dated wasted-quarry file on 1520-01-01. A cancelled public facade after quarry spend is a fiscal-waste path. The welfare reading on this path is worsening.

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

## What is established and what is not

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.

The attached driver is fiscal-policy-sustainability. The welfare reading used in this dossier is worsening. 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. Do not treat later wooden models as a built facade. Do not twin with the New Sacristy. 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.

## People

- Michelangelo: https://factrail.ai/people/michelangelo

## Drivers

- Fiscal-Policy Sustainability: https://factrail.ai/drivers/fiscal-policy-sustainability

## Sources

- https://casabuonarroti.it/
- https://www.britannica.com/biography/Michelangelo

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/mic-facade-1520