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A Vienna proxy marriage on 19 April 1770 completes Marie-Antoinette’s Habsburg–Bourbon alliance before the Versailles rite

Versailles and Britannica print a Vienna proxy marriage in April 1770 ahead of the 16 May Versailles ceremony. 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

Versailles and Britannica print a Vienna proxy marriage in April 1770 ahead of the 16 May Versailles ceremony. Maria Theresa’s court officers share the diplomatic file. Later revolutionary slogans are not 1770.

Context

Marie-Antoinette’s documented role is bounded by other offices and collaborators named in the sources below.

Habsburg–Bourbon alliance marriage under Maria Theresa and Louis XV’s diplomacy; officers and ambassadors share the instrument.

Why it matters

A completed dynastic proxy as alliance paperwork is a cohesion path. It is not a rebate of 1793.

Who was responsible

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

  • Marie-Antoinette

    Person

    Direct responsibility

    responsibility level 0.4 · verified

    Named archduchess as the married party in the Vienna proxy. Ambassadors and Maria Theresa’s household share the diplomatic act.

What changed

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

    1. FactA Vienna proxy marriage on 19 April 1770 completes Marie-Antoinette’s Habsburg–Bourbon alliance before the Versailles rite
    2. strengthensDriverSocial Cohesion
    3. strengthensIndicators (2)Having a say in government
    Improving path

    impact weight 0.45 · Effect from 19 April 1770 · verified

    A dated proxy marriage completing a Franco-Austrian alliance is a limited cohesion path.

    • Having a say in government

      via Social Cohesion

      Better

      Strengthens · Relationship strength 0.2 (weight 0.45 × 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 0.2 (weight 0.45 × 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.Britannica — Marie-AntoinetteEncyclopaedia Britannica · High credibility · verified
  2. 2.Château de Versailles — Marie-AntoinetteÉtablissement public du château, du musée et du domaine national de Versailles · High credibility · verified
What the sources establish

Château de Versailles’s Marie-Antoinette page and Britannica independently describe the 1770 proxy-then-Versailles marriage sequence.

Established: April 1770 Vienna proxy in the palace and encyclopedia file. Not established: unique later-war coefficients.

Marie-Antoinette 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. ActorMarie-Antoinette
  2. contributed toFactA Vienna proxy marriage on 19 April 1770 completes Marie-Antoinette’s Habsburg–Bourbon alliance before the Versailles rite
  3. strengthensDriverSocial Cohesion
  4. strengthensIndicatorHaving a say in government

Cite this page

Factrail. (2026). A Vienna proxy marriage on 19 April 1770 completes Marie-Antoinette’s Habsburg–Bourbon alliance before the Versailles rite. Factrail. https://factrail.ai/facts/ma-proxy-vienna-1770

https://factrail.ai/facts/ma-proxy-vienna-1770

Accessed 16 October 2026.

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

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