Property talk:P417

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time period
time period (historic period or era, sports season, theatre season, legislative period etc.) in which the subject occurred
[create Create a translatable help page (preferably in English) for this property to be included here]
Property “instance of (P3)” declared by target items of “time period (P417): If [item A] has this property with value [item B], [item B] is required to have property “instance of (P3)”.
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P417#Target required claim, SPARQL, SPARQL (by value)

constraint “value-requires-statement constraint (Q796)” declaration error: “Too many qualifiers property (P341)”.

Property “end time (P175)” declared by target items of “time period (P417): If [item A] has this property with value [item B], [item B] is required to have property “end time (P175)”.
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P417#Target required claim, SPARQL, SPARQL (by value)
Contemporaries:
if [item A] has this property (time period (P417)) linked to [item B],
then [item A] and [item B] have to coincide or coexist at some point of history.
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P417#Contemporary, SPARQL