Proleptic Gregorian calendar

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

The proleptic Gregorian calendar extends the Gregorian calendar backward, proleptically, to dates before its 1582 introduction, creating a consistent dating system across history.

Excerpt from the Wikipedia article “Proleptic Gregorian calendar”, under the CC BY-SA 4.0 license. Read the article on Wikipedia