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75
Mostly True Montana United States

The text discusses a record snowflake thought to have fallen in Fort Keogh, Montana, in 1887, measuring 15 inches wide and 8 inches thick.

The claims regarding the largest snowflake on record all point to a historical event in 1887 at Fort Keogh, Montana. According to multiple sources, including the Guinness World Records, a snowflake measuring 15 inches in width and 8 inches in thickness was reported. While the record is recognized by Guinness, the lack of photographic evidence leads to some skepticism. Despite this, the consistency across various sources, including reputable ones, supports the claim's historical recording. Thus, the claims are largely verified by available historical records.

March 12, 2026 Language: en 3 claims analyzed

Individual Claims

78
Mostly True Nature
The largest snowflake on record was 15 inches wide and 8 inches thick.
Guinness World Records recognizes a snowflake 15 inches wide and 8 inches thick recorded at Fort Keogh, Montana, in 1887. Despite doubts due to no photographic evidence, multiple sources corroborate this.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 90
Web Consensus Weight 50
Source Quality Score 70
Source Quality Weight 25
Llm Reasoning Score 60
Llm Reasoning Weight 25
Weighted Total 78
Evidence Summary Multiple web sources confirm, citing Guinness World Records.
78
Mostly True Nature
The largest snowflake was reported in Fort Keogh, Montana in the United States.
The claim about the snowflake falling in Fort Keogh, Montana, is widely supported by evidence and recognized by Guinness World Records. Multiple reports confirm its occurrence in 1887.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 90
Web Consensus Weight 50
Source Quality Score 70
Source Quality Weight 25
Llm Reasoning Score 60
Llm Reasoning Weight 25
Weighted Total 78
Evidence Summary Guinness World Records recognizes the record; widely reported.
70
Mostly True Nature
The snowflake reportedly fell in 1887.
The year 1887 is consistently reported across multiple reputable sources as the year of the record snowflake. Guinness World Records supports this date.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 85
Web Consensus Weight 50
Source Quality Score 60
Source Quality Weight 25
Llm Reasoning Score 50
Llm Reasoning Weight 25
Weighted Total 70
Evidence Summary Multiple sources confirm 1887 as the year, supported by Guinness.

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