Permanent claim record · Port Huron, Michigan

Michigan's oldest surviving lighthouse is the Fort Gratiot Lighthouse, built in 1829 on Lake Huron at Port Huron.

Verified
Raw value (vault-stripped) {"tags":["lighthouses","fort-gratiot"],"text":"Michigan's oldest surviving lighthouse is the Fort Gratiot Lighthouse, built in 1829 on Lake Huron at Port Huron.","category":"history"}
Predicatetrivia.fact
SubjectPort Huron, Michigan (place)
As of
StatusVerified
SourceMichigan Pop Culture, Game Shows & Trivia Content Mine — Perplexity Deep Research (March 2026) (trust 6.5/10)
Reference—
Document hashpending evidence-pack link
Provenance chain
Claim ID1ae1aa42-9d56-4f3f-a0b8-5b93a0239a6b