Historical clue formulations

• Fast-food restaurant that sells Frostys — 2026-07-16
• Fast-food chain with square burgers — 2022-08-16
• Fast-food chain with a red-haired girl in its logo — 2017-08-21
• "Deliciously Different" sloganeer — 2017-02-11
• Hamburger chain that offers the Baconator — 2014-04-28
• "Quality Is Our Recipe" franchise — 2009-07-19
• Fast-food giant — 2007-01-11
• Fast-food franchise — 2004-08-29