core + attic (Attic Area): these terms have been either deprecated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

dateCreated

Canonical URL: http://schema.org/dateCreated

Thing > Property > dateCreated

The date on which the CreativeWork was created or the item was added to a DataFeed.

Usage: Between 100,000 and 250,000 domains
Values expected to be one of these types
Date
DateTime
Used on these types
CreativeWork
DataFeedItem
Sub-properties
legislationDate

Schema Version 3.3