This category is intended for placement in biographical entries about deceased individuals, primarily from antiquity (although, in some cases, reaching into the 19th century) whose place of birth is lost to history and never likely to be known. Except for specific rare circumstances (such as birth in a remote region where no records were/are kept) which should be elucidated within the pertinent biographical entry, this category is not meant to include individuals in Category:Living people, Category:Possibly living people and historically recent individuals who are no longer alive, but whose place of birth is presumed to have been recorded and could be researched. All such individuals should be included in Category:Place of birth missing.

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This is a maintenance category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories. This is a hidden category. It is not shown on its member pages, unless the corresponding user preference (Appearance → Show hidden categories) is set.

• Category:Year of birth missing
• Category:Year of birth missing (living people)
• Category:Year of birth unknown
• Category:Date of birth missing
• Category:Date of birth missing (living people)
• Category:Date of birth unknown
• Category:Place of birth missing
• Category:Place of birth missing (living people)
• Category:Year of death missing
• Category:Year of death unknown
• Category:Date of death missing
• Category:Date of death unknown
• Category:Place of death missing
• Category:Place of death unknown

• Category:Living people
• Category:Possibly living people
• Category:Missing people
• Category:Dead people
• Category:Missing middle or first names