Dresses for Mother of the Bride or Groom His graduation pic with his mum is going viral. We don't understand why. Is he the first person to graduate?? White Graduation Dresses Nordstrom 18 Dresses I'd Happily Wear To My Son's Graduation The Mom Edit White High Low Prom Dresses,Simple Graduation Dress,PD00398, US26W Dark Navy History Lesson on the White Grad Dress: The tradition of wearing white dresses to graduation can be traced back to the 19th century when women achieving academic milestones were a huge deal.