Historical clue formulations

• Took shots first, then paid for them later — 2026-08-31
• Decided to pay later, say — 2026-04-07
• Owed at the bar — 2017-11-17
• Deferred payment, say — 2015-06-04
• Paid at the end, say — 2014-12-07
• Kept charging shots, say — 2008-05-10
• Wasn't paid up at the bar — 2000-12-17