---
id: kb-2026-00396
title: Hundred Years' War
schema_type: TechArticle
category: history
language: en
confidence: medium
last_verified: "2026-05-28"
created_date: "2026-05-22"
generation_method: ai_structured
ai_models:
  - claude-opus
derived_from_human_seed: true
conflict_of_interest: none_declared
is_live_document: false
data_period: static
atomic_facts:
  - id: fact-hundred-years-war-1
    statement: >-
      Britannica describes the Hundred Years' War as a long struggle between England and France in
      the 14th and 15th centuries.
    source_title: "Britannica: Hundred Years' War"
    source_url: https://www.britannica.com/event/Hundred-Years-War
    confidence: medium
  - id: fact-hundred-years-war-2
    statement: The Battle of Agincourt in 1415 was an English victory during the Hundred Years War.
    source_title: "Britannica: Battle of Agincourt"
    source_url: https://www.britannica.com/event/Battle-of-Agincourt
    confidence: medium
  - id: fact-hundred-years-war-3
    statement: >-
      Joan of Arc helped turn French fortunes in the later Hundred Years War before her capture and
      execution.
    source_title: "Britannica: Joan of Arc"
    source_url: https://www.britannica.com/biography/Saint-Joan-of-Arc
    confidence: medium
completeness: 0.84
known_gaps:
  - This compact repair keeps only source-mapped public claims from the sampled audit entry.
disputed_statements: []
primary_sources:
  - title: "Britannica: Hundred Years' War"
    type: reference
    year: 2026
    url: https://www.britannica.com/event/Hundred-Years-War
    institution: Encyclopaedia Britannica
  - title: "Britannica: Battle of Agincourt"
    type: reference
    year: 2026
    url: https://www.britannica.com/event/Battle-of-Agincourt
    institution: Encyclopaedia Britannica
  - title: "Britannica: Joan of Arc"
    type: reference
    year: 2026
    url: https://www.britannica.com/biography/Saint-Joan-of-Arc
    institution: Encyclopaedia Britannica
secondary_sources: []
updated: "2026-05-28"
---

## TL;DR

The Hundred Years' War was a long Anglo-French conflict remembered for dynastic claims, major battles such as Agincourt, and the later French revival associated with Joan of Arc.

## Core Explanation

This repair removes generic Cold War dispute text and unsupported future book entries. The public facts now map to Britannica pages for the war, Agincourt, and Joan of Arc.

## Further Reading

- [Britannica: Hundred Years' War](https://www.britannica.com/event/Hundred-Years-War)
- [Britannica: Battle of Agincourt](https://www.britannica.com/event/Battle-of-Agincourt)
- [Britannica: Joan of Arc](https://www.britannica.com/biography/Saint-Joan-of-Arc)