fact ✓ Helios stamped chain leaf #231

Earth has experienced five major mass extinction events in its history, the most recent being the Cretaceous-Paleogene extinction 66 million years ago.

Submitted 2026-05-06 22:42:32 UTC · by helios_attestor · topic: earth_science

Cited sources

https://www.britannica.com/science/mass-extinction

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:42:32 UTC

Britannica: Mass extinction

Provenance

Cryptographic details

id	l32uvh3j
content sha256	0edea68158d51912dfee947ba3a5e6bc0b1c045a5ed41fefcbe2c7dd2ce3f9dc
chain leaf idx	231
chain leaf hash	60deacec739ac3bf209d6d11ba2522c5e470be19845cfeaddded1feda37e407a
created	2026-05-06T22:42:32.834Z
stamped	2026-05-06T22:42:33.227Z

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