Twenty-first century
This is a sourced subject-directory page. Its presence does not mean a factual answer has been researched, or that the subject is a proven knowledge gap.
Names and connections
21st century
- Broader: Third millennium
- Narrower: Civilization, Modern--21st century
- Narrower: Two thousand eight, A.D.
- Narrower: Two thousand five, A.D.
- Narrower: Two thousand four, A.D.
- Narrower: Two thousand fourteen, A.D.
- Narrower: Two thousand nine, A.D.
- Narrower: Two thousand one, A.D.
- Narrower: Two thousand seven, A.D.
- Narrower: Two thousand six, A.D.
- Narrower: Two thousand sixteen, A.D.
- Narrower: Two thousand thirty, A.D.
- Narrower: Two thousand three, A.D.
- Narrower: Two thousand twelve, A.D.
- Narrower: Two thousand twenty, A.D.
- Narrower: Two thousand, A.D.
- Narrower: Two thousands (Decade)
Up to 40 narrower headings are shown. Full Library of Congress authority record
Local answer status
No owner-reviewed answer has been published for this exact subject page. This is a gap in this collection; it does not establish that the answer is unavailable elsewhere.
Numeric address and provenance
Morton address: 864765895317537284 · morton4x16-v1
Coordinates: (0, 20, 19577, 16384). The address interleaves categorical identifier bits. Nearby addresses are not guaranteed to describe semantically similar subjects.
Structured subject record · Markdown · Source snapshots and licenses
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