Permanent claim record · Battle Creek, Michigan

C.W. Post, a patient at the Battle Creek Sanitarium, founded Postum Cereal Company in 1895 and was producing Grape-Nuts by 1897.

Verified

Raw value (vault-stripped)

{"tags":["post","cereal","food"],"text":"C.W. Post, a patient at the Battle Creek Sanitarium, founded Postum Cereal Company in 1895 and was producing Grape-Nuts by 1897.","category":"history"}

Predicate	trivia.fact
Subject	Battle Creek, Michigan (place)
As of
Status	Verified
Source	Famous Michiganders, Pop Culture & Trivia Report — Perplexity Deep Research (2026) (trust 6.5/10)
Reference	—
Document hash	pending evidence-pack link
Provenance chain
Claim ID	3a8ec676-e71a-4f91-b824-d67158ef5fd2