Your Birth Certificate, your social security card (old version), and your driver's license.
Your medical records will usually have it.
Zeus' birthdate are not known but it may be...
A birthdate is the date upon which a person was born.
her birthdate is april 8 2002
Rihanna's birthdate is February 21, 1988.
"Birthdate" is typically considered as one word.
22 July 1992
We have no record of Anne's birthdate but it probably occurred in the middle of the first century BC.
Sebastian Applewhite is 13 years old, his birthdate is the 16th May, 1997.
He was born on Milk Street, Boston, Massachusetts.
My birthdate!
You don't need to give your birthdate if you are only comparing.
Lee Da Hae is 27 years old (birthdate: April 19, 1984).