WhenAtlas · The Historical AtlasHistory in MotionReading edition

Polity · 500 – 1391

County of Blois

布卢瓦伯国

Polity · 500 – 1391 · Century precision · 47.59° N, 1.33° E

The County of Blois was the Loire valley power from 500 to 1391, the counts who nearly became kings of everything. Born when Clovis's Franks divided Gaul, Blois grew fat on Loire tolls and built its castle over the river; the Theobaldian counts married heiresses the way other men married wives, and about 1125 Theobald II joined Blois to Champagne, ruling the fairs of Troyes and Provins where Europe's money changed hands. Stephen, a younger son sent to England with a sword and a smile, took the crown itself in 1135 and held it through nineteen years of anarchy against his cousin Matilda. The house reached for more: Charles of Blois fought the Breton succession war for twenty three years and died canonized in battle in 1364. Bankrupt by chivalry, the last count sold Blois to Louis of Orléans in 1391; the county dissolved into the royal domain, its castle kept by kings who preferred Chambord, and its counts survived only in the English history books their ancestor had written with a usurper's crown.

Key facts

  • Theobald II joined Blois to Champagne around 1125
  • Stephen of Blois took England's crown in 1135
  • Blois was sold to Orléans in 1391, ending the county

Record

Capital: Blois

Language: French, Latin of charters

Notable figures

  • Theobald II of Champagne
  • Stephen of England
  • Charles of Blois

Sources

Single source — details may be incomplete.

  1. Wikidata Q19336869 — County of BloisCC0-1.0
CiteWhenAtlas — History in Motion, “County of Blois” (2026). https://whenatlas.com/entity/polity.q19336869

Reuse this data: open dataset (GeoJSON / CSV, CC BY 4.0)

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