# Descartes serves in Dutch and Bavarian military households as a gentleman volunteer, a war-adjacent labour not a unique battle he commanded

Date: 1618

## The fact

Descartes served in Dutch and Bavarian military households as a gentleman volunteer. The instrument is that war-adjacent labour, not a unique battle he commanded. René Descartes's documented role is: He served under Maurice of Nassau and then in Bavarian winter quarters. He did not command armies. Medium confidence on unique combat coefficients, none invented.

## Context

Maurice of Nassau is the named Dutch office of the first service. Sharing unnamed officers is required. The setting of Descartes serves in Dutch and Bavarian military households as a gentleman volunteer, a war-adjacent labour not a unique battle he commanded is the public file around 1618-01-01. Shared offices, unnamed crews, printers, or later editors may appear without becoming this instrument. Driver [humanitarian-access](/drivers/humanitarian-access) is attached because the significance names a mechanism from this act, not because a standing list needed coverage.

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

## Evidence and sources

Official locator: Britannica — René Descartes, military years at https://www.britannica.com/biography/Rene-Descartes (Encyclopaedia Britannica). Independent locator: Stanford Encyclopedia of Philosophy — Descartes, early travels and army at https://plato.stanford.edu/entries/descartes/ (Stanford Encyclopedia of Philosophy). Official carrier: Britannica — René Descartes, military years (https://www.britannica.com/biography/Rene-Descartes; Encyclopaedia Britannica). Independent carrier: Stanford Encyclopedia of Philosophy — Descartes, early travels and army (https://plato.stanford.edu/entries/descartes/; Stanford Encyclopedia of Philosophy).

Official or archival record: Britannica — René Descartes, military years (https://www.britannica.com/biography/Rene-Descartes; Encyclopaedia Britannica).

## Significance

Worsening path from Descartes serves in Dutch and Bavarian military households as a gentleman volunteer, a war-adjacent labour not a unique battle he commanded on 1618-01-01. Gentleman-volunteer service in the Thirty Years' War weather is a humanitarian-war path of modest personal coefficient. The welfare reading on this path is worsening.

Confidence is stated on the impact path, not hidden in adjectives. Do not invent a unique battle he won. The 1619 stove-dream is neighbouring colour, not a tape. Mixed effects of Descartes serves in Dutch and Bavarian military households as a gentleman volunteer, a war-adjacent labour not a unique battle he commanded are separate paths.

## What is established and what is not

Established: a sourced public record of Descartes serves in Dutch and Bavarian military households as a gentleman volunteer, a war-adjacent labour not a unique battle he commanded under 1618-01-01 for René Descartes. Established: a sourced public record of Descartes serves in Dutch and Bavarian military households as a gentleman volunteer, a war-adjacent labour not a unique battle he commanded under 1618-01-01.

Shared responsibility is part of Descartes serves in Dutch and Bavarian military households as a gentleman volunteer, a war-adjacent labour not a unique battle he commanded. Naming René Descartes does not delete co-authors, institutions, or later transmitters. The lag from 1618-01-01 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.

The attached driver is humanitarian-access. The welfare reading used in this dossier is worsening. That reading is an impact-path choice, not a property stored on the Fact itself.

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

## People

- René Descartes: https://factrail.ai/people/rene-descartes

## Drivers

- Humanitarian Access: https://factrail.ai/drivers/humanitarian-access

## Sources

- https://plato.stanford.edu/entries/descartes/
- https://www.britannica.com/biography/Rene-Descartes

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/des-mercenary-years