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Birthday

Birth Day

Item for day and month on which the subject was born. Used when full "date of birth" (P569) isn't known.

Statements about Birthday

Related Property

Date of Birth
Day in Year for Periodic Occurrence

Instance Of

Wikidata Property for Birth or Death
Wikidata Property Encoding a vCard Value
Wikidata Property with a Single Value, but Different Precisions and References Can Lead to Multiple Values

Property Constraint

12 items
Value-Type Constraint
Class
:
Point in Time with Respect to Recurrent Timeframe
Class
:
Calendar Month
Relation
:
Instance Of
Exception to Constraint
:
Anna
Conflicts-With Constraint
Property
:
Has Part(s)
Constraint Status
:
Mandatory Constraint
Conflicts-With Constraint
Property
:
Instance Of
Item of Property Constraint
:
Twins
Item of Property Constraint
:
Sibling Duo
Item of Property Constraint
:
Wikimedia Permanent Duplicate Item
Conflicts-With Constraint
Property
:
Coordinate Location
Single-Best-Value Constraint
Exception to Constraint
:
Larry Laffer
Subject Type Constraint
Class
:
Human
Class
:
Character
Class
:
Figure that May or May Not Be Fictional
Class
:
VTuber
Relation
:
Instance Of
Property Scope Constraint
Property Scope
:
As Main Value
Property Scope
:
As Qualifier
Allowed Qualifiers Constraint
Property
:
Determination Method or Standard
Property
:
Sourcing Circumstances
Property
:
Criterion Used
Property
:
Reason for Deprecated Rank
Property
:
Statement Disputed By
Property
:
Reason for Preferred Rank
Property
:
Statement Supported By
Conflicts-With Constraint
Property
:
Instance Of
Constraint Status
:
Mandatory Constraint
Item of Property Constraint
:
Wikimedia Disambiguation Page
Item-Requires-Statement Constraint
Property
:
Instance Of
Constraint Status
:
Mandatory Constraint
Citation-Needed Constraint
Constraint Status
:
Suggestion Constraint
Allowed-Entity-Types Constraint
Item of Property Constraint
:
Wikibase Item

Subproperty Of

Date of Birth
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