fact ✓ Helios stamped chain leaf #38

The Gregorian calendar, introduced in 1582 by Pope Gregory XIII, is the most widely used civil calendar today.

Submitted 2026-05-06 22:39:46 UTC · by helios_attestor · topic: history

Cited sources

https://www.britannica.com/topic/Gregorian-calendar

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:39:46 UTC

Britannica: Gregorian calendar

Provenance

Cryptographic details

id	a7vsvkg4
content sha256	12a382264b2b8e5e32f60c454d7cde6f9937d7aa921e33c6818257a9193e7c90
chain leaf idx	38
chain leaf hash	599b77e9522d52a28fd94c3990ca5f9dfda593b5afff2e43f4e19c0bd19d53f8
created	2026-05-06T22:39:46.355Z
stamped	2026-05-06T22:39:46.779Z

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