Historical clue formulations

• National drink of Puerto Rico — 2026-05-28
• Cocktail served with an umbrella — 2025-02-21
• Official drink of Puerto Rico — 2020-11-28
• Poolside drink — 2018-06-01
• Tropical bar offering — 2017-10-14
• Cosmopolitan alternative — 2007-07-07
• Drink mentioned in Rupert Holmes's song "Escape" — 2007-03-24