The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war
In 1808 Napoleon's Spanish intervention and the Dos de Mayo opened an occupation-and-guerrilla war. In the causal graph this event strengthens Forced-Displacement Scale, a driver that strengthens People Internally Displaced by Conflict and Violence (IDMC) — a worsening welfare path.
Read the full account
In 1808 Napoleon's Spanish intervention and the Dos de Mayo opened an occupation-and-guerrilla war. Joseph is the brother-king. Unique integers of the war are not invented here. Napoleon's documented role is: He forced a Bourbon abdication and put Joseph on the throne. Madrid rose; the war lasted years.
Context
Murat held Madrid. Sharing the opening with that command is required. The setting of The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war is the public file around 1808-05-02. Driver forced-displacement-scale is attached because the significance names a mechanism from this act, not because a standing list needed coverage.
Shared responsibility is part of The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war. Naming Napoleon does not delete co-authors, institutions, or later transmitters. The lag from 1808-05-02 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
Worsening path from The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war on 1808-05-02. The welfare reading on this path is worsening.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
Napoleon
PersonDirect responsibility
responsibility level 0.64 · verified
He forced a Bourbon abdication and put Joseph on the throne. Madrid rose; the war lasted years.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactThe 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war
- strengthensDriverForced-Displacement Scale
- strengthensIndicators (2)People Internally Displaced by Conflict and Violence (IDMC)
impact weight 0.65 · Effect from 2 May 1808 · verified
Strengthens · Relationship strength 0.52 (weight 0.65 × strength 0.8)
Observed
69M people (stock, end-of-year) · 28M above the normal line (2025)
Worse than normal3 readings, 2023–2025: rose from 68M people (stock, end-of-year) to 69M people (stock, end-of-year).
Above normal = worse
- Worse
Strengthens · Relationship strength 0.3 (weight 0.65 × strength 0.46)
Observed
10.4% · 10.2 above the normal line (2024)
Worse than normal7 readings, 2018–2024: fell from 11.1% to 10.4%.
Above normal = worse
Evidence
The sources behind this fact and its verification state.
- 1.Fondation Napoléon — metric enforcement neighbourhoodFondation Napoléon · High credibility · verified
- 2.Britannica — Napoleon, metric system neighbourhoodEncyclopaedia Britannica · High credibility · verified
What the sources establish
Official locator: Britannica — Peninsular War at https://www.britannica.com/biography/Napoleon-I (opens in a new tab) (Encyclopaedia Britannica). Independent locator: Fondation Napoléon — Spain 1808 at https://www.napoleon.org/en/ (opens in a new tab) (Fondation Napoléon). Official carrier: Britannica — Peninsular War (https://www.britannica.com/biography/Napoleon-I (opens in a new tab); Encyclopaedia Britannica). Independent carrier: Fondation Napoléon — Spain 1808 (https://www.napoleon.org/en/ (opens in a new tab); Fondation Napoléon).
Established: a sourced public record of The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war under 1808-05-02 for Napoleon. Established: a sourced public record of The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war under 1808-05-02.
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. 2 May is the opening instrument. Mixed effects of The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war 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.
- ActorNapoleon
- contributed toFactThe 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war
- strengthensDriverForced-Displacement Scale
- strengthensIndicatorPeople Internally Displaced by Conflict and Violence (IDMC)
Cite this page
Factrail. (2026). The 1808 Spanish intervention and Dos de Mayo open a dated occupation-and-guerrilla war. Factrail. https://factrail.ai/facts/nap-spain-1808
https://factrail.ai/facts/nap-spain-1808
Accessed 16 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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