Dairy Queen Turns 75 Today: Here are 8 DQ Reasons to Celebrate By Notable Life By Notable LifeView Author|June 22, 2015|Food + DrinkView Food + Drink Today, Dairy Queen celebrates its 75th birthday. To mark the occasion, the brand many of us have known and loved since childhood released its new DQ Bakes! product line, with nine new products that fall within three categories: Hot Desserts à... View this article.