"That designation which is assigned to property by the owner thereof. *Eric WhoRU?*
The birth date of the name/the person.
Are you asking for the birth date of the name?
The birth date of the name is the date of registration. Not the date ye mother unit bore/ejected ye from her uterus.
Is there another reason for the celebration of the “birth date”? Is “birth date” the way "good citizens" have always referenced the day they were born?
Not knowing that the actual birth date is the date the registration occurred, not the day ye were born. But is the date of birth of the name/person/franchise.
Registrars do not "register" babies/people.
If you know not the name of the thing, the thing itself is surly lost. If you know not your true correct lawful name, you are surly lost, assumed dead, salvaged by the private bankers and administrated into hell...
(A wrecked or disabled ship or it's cargo)
from lost at sea
born into life and berthed into death, from creditor to debtor in a very short time.