creationDate — Gives date of creation of entity
creationDate : date EMPTY
date
The date of creation of the entity, in ISO 8601 (YYYY-MM-DD) format.
creationDate is simply a string with a date in it. We follow ISO 8601 and use dates like "2004-01-02" to refer to January 2, 2004.
fileHeader
provenance
2011-03-31