Wikidata:Property proposal/Gregorian calendar

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adoption of the Gregorian calendar[edit]

Originally proposed at Wikidata:Property proposal/Place

Descriptiondate the Gregorian calendar was first used
Representsadoption of the Gregorian calendar (Q18350297)
Data typePoint in time
Domaincountries, regions
Allowed valuesdates in Gregorian calendar: one per region, multiple for present-day countries (specifying "applies to part" for adoption by some of the parts of the present-day country). Most recent generally with preferred rank
Allowed unitsn/a (Gregorian calendar)
Example 1Denmark (Q35) → 1 March 1700
Example 2Sweden (Q34) → 1 March 1753
Example 3Papal States (Q170174) → 15 October 1582
Sourcesee w:List of adoption dates of the Gregorian calendar per country
Expected completenesseventually complete (Q21873974)

Motivation[edit]

Wikidata (and myself) still struggle with this, but this property would allow simplified checks and retrieval from through P17. As a separate property it can include multiple values for countries. A qualifier can be used to indicate whatever calendar was used before. Items for detailed articles can be linked with "statement is subject of" (Add your motivation for this property here.) --- Jura 10:06, 1 September 2019 (UTC)

Discussion[edit]

  • Symbol support vote.svg Support would help a lot - Salgo60 (talk) 21:29, 2 September 2019 (UTC)
  • Symbol support vote.svg Support but I'm adjusting the proposed English label to match adoption of the Gregorian calendar (Q18350297). Just "Gregorian calendar" doesn't sound like a property label. ArthurPSmith (talk) 18:49, 3 September 2019 (UTC)
    • I'm not sure. Maybe "start date"? I had removed "adopted" from the description and replaced it with "first used" to avoid a possible ambiguity with the day before, the date the adoption was decided and/or the last time the previous model calendar system was regularly used (generally the previous day except for e.g. Sweden). --- Jura 17:18, 4 September 2019 (UTC)
      • "Gregorian calendar start date" would be fine as the label too. ArthurPSmith (talk) 20:43, 4 September 2019 (UTC)
@Jura1, Salgo60, ArthurPSmith: ✓ Done, see Gregorian calendar start date (P7295) --DannyS712 (talk) 20:45, 8 September 2019 (UTC)