2005 was the 20th birthday of this restaurant's Blizzard, a soft-serve treat
- PR Newswire [PAR] Mar 29, 2005, 00:00 ET from International Dairy Queen ... To celebrate the 20th 
birthday of the Blizzard, Dairy Queen kicks off a year of new flavors and ... Not just 
candy and soft serve, the Blizzard has transcended the treat industry with original 
... featuring an all new expanded menu and newly designed restaurant interiors.