Wikidata:Database reports/Complex constraint violations/P569

Complex constraint violations report for date of birth (Discussion, uses, items, changes): date on which the subject was born
Data time stamp: 2021-05-15 00:53 (UTC)
The report is generated based on the settings on Property talk:P569.
Updates overwrite this page. Some may already be fixed since the last update: check RecentChangesLinked.
The report can include false positives. No need to "fix" them.

Wrong calendarEdit

People born before 1582 whose birth date is registered using proleptic Gregorian calendar (Q1985727) instead of proleptic Julian calendar (Q1985786).

violations count: 1000

Probably deathEdit

People born before the year 1900, but no date of death (P570)

violations count: 1000

Items with P569 = "no value" (P31=Q5)Edit

People are all born at some point in time

violations count: 11

Probably wrongly used as birthdayEdit

Use birthday (P3150) for birthday (if full birth year isn't known).

violations count: 82

Double birth date with a mistake on a birth dateEdit

Diff: 1000 years

violations count: 1

Date must be before nowEdit

no results or query error

Year 0 in Gregorian calendarEdit

See also: phab:T94064

violations count: 1

Inverted month/day on items with 2 datesEdit

Items with 2 dates, day of the first date = month number of the second date, month of of first = day of the second. To fix, set on to preferred or deprecated rank

violations count: 10

Born after 2100Edit

Fast query: Query in 9 seconds (in 2020)

violations count: 9

Sport: association footballEdit

violations count: 6