20. century BC
type: Ontology
creation date: 2026-08-03T04:23:46+02:00
imports: http://semantic-mediawiki.org/swivt/1.0

20. century BC
type: Subject
type: Category:Centuries BC
type: Category:20. century BC
page: 20. century BC
wiki namespace: 0
wiki page modification date: 2011-10-14T14:21:58Z
modification date#aux: 2455849.098588
wiki page sort key: 20. century BC