Category:Introductions by century
type: Ontology
creation date: 2026-08-09T23:06:55+02:00
imports: http://semantic-mediawiki.org/swivt/1.0

Introductions by century
type: Class
page: Category:Introductions by century
wiki namespace: 14
wiki page modification date: 2012-10-11T18:24:26Z
modification date#aux: 2456212.2669676
wiki page sort key: Introductions by century
subclass of: Category:Events by century
subclass of: Category:History of technology
subclass of: Category:Debuts

20th-century introductions
type: Class
page: Category:20th-century introductions
wiki namespace: 14
wiki page sort key: 20th-century introductions
subclass of: Introductions by century

Subcategory of
type: ObjectProperty
page: Property:Subcategory of
wiki namespace: 110
wiki page sort key: Subcategory of