Historical clue formulations

• Forrest Gump's favorite soft drink — 2020-06-23
• Beverage marketed as a blend of 23 different flavors — 2019-12-13
• "Always one of a kind" sloganeer — 2017-06-16
• Product possibly named after a real physician — 2016-08-14
• Product boasting "a unique blend of 23 flavors" — 2016-01-29
• Product whose name lost its period in the 1950s — 2011-05-14
• Soft drink since 1885 — 2007-01-29
• Ad slogan words before "you're a part of me" — 1996-05-25