Property talk:P1326

Documentation

latest date
latest possible time that something could have occurred. Use as qualifier for other date properties

Description

Qualifier marking the latest possible date of the statement where the actual date is unknown (ie. the upper bound of a specified period). Similar to end time (P582) but that isn't quite right for this usage.

Represents

unknown

Data type

Point in time

Domain

human (Q5), event (Q1656682), intellectual work (Q15621286) (note: this should be moved to the property statements)

Allowed values

As standard of time/date properties. (note: this should be moved to the property statements)

Example

According to this template: Christopher Columbus (Q7322) => date of birth (P569): Unknown value => Latest date: 30 October 1451; Isaac Asimov (Q34981) => date of birth (P569): Unknown value => Latest date: 2 January 1920

According to statements in the property:
date of birth of Jesus (Q3016939) → 0004
Industrial Revolution (Q2269) → 1840

When possible, data should only be stored as statements

Source

Standard authority control references. (note: this information should be moved to a property statement; use property source website for the property (P1896))

Robot and gadget jobs

DeltaBot does the following jobs:

Move source to qualifier

earliest date (P1319)

See also

maximum date (property constraint) (P2311), earliest end date (P8554), date of the latest one (P7125), earliest date (P1319)

Lists

Most recently created items

Items with novalue claims

Items with unknown value claims

Usage history (total)

Usage history (main statement)

Chart by item creation date

Future dates

Dates in Gregorian calendar before 1582

Dates before year 1 (Help:Dates#Years BC)

Date on January 1 (Help:Dates#January 1 as date)

Database reports/Constraint violations/P1326

Proposal discussion

Current uses

Total	390,143
Main statement	504	0.1% of uses
Qualifier	389,605	99.9% of uses
Reference	34	<0.1% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Scope is as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1326#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200), Wikibase MediaInfo (Q59712033), Wikibase property (Q29934218): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1326#Entity types

This property is being used by:

c:Module:Wikidata date

Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Property talk:P1319
Soft redirect page

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