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42
Mixed Western Europe

Pope Gregory IX reportedly believed that cats were associated with the devil, leading to their extermination.

The claims about Pope Gregory IX believing cats were creatures of the devil and their subsequent extermination stem from a historical myth. There is no definitive evidence that Gregory IX's actions directly led to widespread cat killings. The papal bull 'Vox in Rama' condemned heretical activities, which some historians speculate may have indirectly contributed to myths about cats being associated with the devil. However, linking this specifically to Gregory IX’s beliefs and actions causing cat exterminations lacks strong evidence. Thus, the claims are considered more mythical than factual.

March 21, 2026 Language: en 2 claims analyzed

Individual Claims

46
Mixed Religion
Pope Gregory IX believed that cats were creatures of the devil.
Several sources indicate that the association of Pope Gregory IX with anti-cat sentiments stems from myths and misinterpretations of his papal bull 'Vox in Rama,' which did not explicitly label cats as creatures of the devil. The historical narrative linking him to this belief lacks definitive evidence but is a persistent myth.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 45
Web Consensus Weight 50
Source Quality Score 40
Source Quality Weight 25
Llm Reasoning Score 50
Llm Reasoning Weight 25
Weighted Total 46
Evidence Summary No definitive evidence; mythological interpretations of 'Vox in Rama'.
37
Mostly False History
Cats were exterminated because Pope Gregory IX believed they were creatures of the devil.
The claim that Pope Gregory IX's beliefs led to the extermination of cats is considered a myth. Evidence suggests that the narrative surrounding the papal bull 'Vox in Rama' has been misinterpreted over time. Historians do not find direct orders from Gregory IX for cat exterminations.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 30
Web Consensus Weight 50
Source Quality Score 35
Source Quality Weight 25
Llm Reasoning Score 40
Llm Reasoning Weight 25
Weighted Total 37
Evidence Summary Misinterpreted historical narrative; no direct evidence of orders for extermination.

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