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At Constantinople Theodosius lays out the Forum Tauri programme as a civic square on a Trajanic model

Later column and ruins are evidence, not 386 type. Forum Tauri is a cohesion path of high confidence on the programme in standard lives, low on unique welfare coefficients. In the causal graph this event strengthens Social Cohesion, a driver that strengthens Having a say in government — an improving welfare path.

Sources: [1][2]

Read the full account

Context

Spolia and fiscal extraction are mixed and not stored as a second forum row here. Shared architects remain unnamed.

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

Britannica attributes the Forum Tauri plan to the years he stayed mainly in Constantinople from late 380. Later column and ruins are evidence, not 386 type. He did not file a UNESCO form.

Why it matters

Forum Tauri is a cohesion path of high confidence on the programme in standard lives, low on unique welfare coefficients.

Who was responsible

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

  • Theodosius I

    Person

    Direct responsibility

    responsibility level 0.4 · verified

What changed

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

    1. FactAt Constantinople Theodosius lays out the Forum Tauri programme as a civic square on a Trajanic model
    2. strengthensDriverSocial Cohesion
    3. strengthensIndicators (2)Having a say in government
    Improving path

    impact weight 0.5 · Effect from 1 January 386 · verified

    Forum Tauri is a cohesion path of high confidence on the programme in standard lives, low on unique welfare coefficients.

    • Having a say in government

      via Social Cohesion

      Better

      Strengthens · Relationship strength 0.23 (weight 0.5 × strength 0.45)

      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

    • Rule of Law Gap from the Highest Governance Score

      via Social Cohesion

      Better

      Weakens · Relationship strength 0.23 (weight 0.5 × strength 0.45)

      Observed

      43.9 Score · 43.9 above the normal line (2024)

      Worse than normal

      26 readings, 1996–2024: rose from 43 Score to 43.9 Score.

      Normal is zero · any amount = worse

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.De Imperatoribus Romanis — Theodosius ILoyola University Chicago · High credibility · verified
  2. 2.Britannica — Theodosius IEncyclopaedia Britannica · High credibility · verified
What the sources establish

Britannica records the Forum Tauri as the outstanding Constantinopolitan measure of these years, modelled on Trajan’s Forum. DIR independently treats the capital residence.

Theodosius 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. ActorTheodosius I
  2. contributed toFactAt Constantinople Theodosius lays out the Forum Tauri programme as a civic square on a Trajanic model
  3. strengthensDriverSocial Cohesion
  4. strengthensIndicatorHaving a say in government

Cite this page

Factrail. (2026). At Constantinople Theodosius lays out the Forum Tauri programme as a civic square on a Trajanic model. Factrail. https://factrail.ai/facts/theo-forum-tauri

https://factrail.ai/facts/theo-forum-tauri

Accessed 16 October 2026.

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

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