SAN DIEGO--(BUSINESS WIRE)--Jack in the Box (NASDAQ: JACK) is officially kicking off its 75th anniversary, launching a year-long celebration packed with throwback menu items, exclusive collectibles, craveable deals, and surprises designed to thank the fans who've been riding with Jack since 1951. Jack in the Box is officially kicking off its 75th anniversary with a year-long celebration designed to thank the fans who've been riding with Jack since 1951. There's no better way to celebrate 75 years of Jack in ...