Skip to content
statementVerified

Spartan dual kingship sends one king to a blocking pass

Dated 1 July 480: Spartan dual kingship sends one king to a blocking pass. In the causal graph this event weakens Democratic Resilience, a driver that strengthens Having a say in government — a worsening welfare path.

Sources: [1][2]

Read the full account

Oligarchic-military kingship as later told is a resilience-cost of medium confidence, not a modern dictatorship file. Leonidas I did not operate this later page as a civil-registry autograph.

Context

Shared institutions, unnamed crews, and later editors remain in the record and do not erase a documented heading.

Leonidas I Shared work with other named actors remains in the record.

Leonidas I’s documented role is bounded by other offices and collaborators named in the sources below.

The surviving file is narrow: Herodotus as later English, later lives, a modern monument, and encyclopedia pages.

Who was responsible

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

  • Leonidas I

    Person

    Direct responsibility

    responsibility level 0.28 · verified

What changed

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

    1. FactSpartan dual kingship sends one king to a blocking pass
    2. weakensDriverDemocratic Resilience
    3. strengthensIndicators (3)Having a say in government
    Worsening path

    impact weight 0.35 · Effect from 1 July 480 · verified

    Oligarchic-military kingship as later told is a resilience-cost of medium confidence, not a modern dictatorship file.

    • Having a say in government

      via Democratic Resilience

      Worse

      Strengthens · Relationship strength 0.24 (weight 0.35 × strength 0.7)

      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

    • Clean elections index

      via Democratic Resilience

      Worse

      Strengthens · Relationship strength 0.16 (weight 0.35 × strength 0.45)

      Observed

      0.53 score from 0 to 1 · 0.34 below the normal line (2024)

      Worse than normal

      125 readings, 1900–2024: rose from 0.17 score from 0 to 1 to 0.53 score from 0 to 1.

      Above normal = better

    • WJP Rule of Law Index (global)

      via Democratic Resilience

      Worse

      Strengthens · Relationship strength 0.16 (weight 0.35 × strength 0.45)

      Observed

      0.55 index score (0-1) · 0.26 below the normal line (2024)

      Worse than normal

      Above normal = better

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Britannica — Leonidas IEncyclopaedia Britannica · High credibility · verified
  2. 2.Cambridge Companion to Archaic GreeceCambridge University Press · High credibility · verified
What the sources establish

Leonidas I did not file a later UNESCO form, a later Loeb colophon, or a later museum label as a personal act.

Causal path

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

  1. ActorLeonidas I
  2. contributed toFactSpartan dual kingship sends one king to a blocking pass
  3. weakensDriverDemocratic Resilience
  4. strengthensIndicatorHaving a say in government

Cite this page

Factrail. (2026). Spartan dual kingship sends one king to a blocking pass. Factrail. https://factrail.ai/facts/leo-kingship-dual-war

https://factrail.ai/facts/leo-kingship-dual-war

Accessed 16 October 2026.

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

Dispute this factNamed here, or represent someone who is? Request a right of reply.