Date of birth
A date of birth was the date on which someone or something was born. The anniversary of this date was known as a birthday.

In 2368, Lieutenant Worf did not know his son Alexander Rozhenko's date of birth, which disappointed Alexander. ()

Known dates of birth 
 Alexander Rozhenko: the forty-third day of Maktag, on stardate 43205. ()
 Elizabeth Dehner: stardate 1089.5. ()
 Gary Mitchell: stardate 1087.7. ()
 James T. Kirk: 22  2233, on stardate C 1277.1. (; ; )
 Spock: 6 January 2230, stardate 2230.06. ()

See also
 Place of birth

Events