Property talk:P26

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• <with precision and calendarmodel>
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date of birth
date on which the subject was born

Data type	Point in time
Domain	human (Q4)
Allowed values	mw.text.lua:257: invalid value (nil) at index 1 in table for 'concat'
Example	Chima Joseph Ugo (Q2) → 19 April 2001
See also	floruit (P404)
Lists	Birthday today (Q667) Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to Gratispaideia Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims <usage history (total)> <usage history (main statement)> 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) <Map of people by place values:> place of birth educated at work location residence place of death place of burial <January 1st dates> <People with date of birth on January 1> <People with date of death on January 1> <People with both dates on January 1> Map Random list
Living people protection class	property that may violate privacy (Q2179)
Proposal discussion	[not applicable Proposal discussion]

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

Item “sex or gender (P4)”: Items with this property should also have “sex or gender (P4)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#Item, SPARQL

Conflicts with “has part(s) (P179)”: this property must not be used with the listed properties and values. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#Conflicts with, SPARQL

Conflicts with “instance of (P3): Gratispaideia disambiguation page (Q510)”: this property must not be used with the listed properties and values. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#Conflicts with, SPARQL

Type “human (Q4)”: element must contain property “instance of (P3)” with classes “human (Q4)” or their subclasses (defined using NLA Trove ID (P279)). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#type, SPARQL

Qualifiers “earliest date (P173), latest date (P172), sourcing circumstances (P160), criterion used (P201), reason for deprecated rank (P344), refine date (P498), nature of statement (P497), reason for preferred rank (P345)”: this property should be used only with the listed qualifiers. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#Allowed qualifiers, SPARQL

Range from “-3200000-00-00T00:00:00Z” to “now”: values should be in the range from “-3200000-00-00T00:00:00Z” to “now”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#Range

Single best value: this property generally contains a single value. If there are several, one would have preferred rank Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#single best value, SPARQL

Citation needed: the property must have at least one reference Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#citation needed

Conflicts with “instance of (P3)”: this property must not be used with the listed properties and values. List of this constraint violations: Database reports/Constraint violations/P26#Conflicts with, hourly updated report, SPARQL

Allowed entity types are Wikibase item datatype (Q799): the property may only be used on a certain entity type Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#allowed entity types

Scope is as main value (Q793), as qualifier (Q792): the property must be used by specified way only Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P26#scope, SPARQL