The date on which an entity was deprecated.
deprecation date
Used in BCP47 recommendation for the subtag of a language, script, region or variant
IANA subtag
kolum So Dogon
Kolum So Dogon
Dogon, Ampari
Ampari Dogon
Mombo Dogon
Dogon, Mombo
see aqd, dmb
Language Taxonomy
Language
Named individual