Historical clue formulations

• Thanksgiving boatful — 2026-02-09
• ___ boat — 2025-04-26
• Sir Isaac Newton wrote about this ... Pass it on — 2025-03-27
• Unexpected windfall, figuratively — 2021-07-17
• "Good ___!" — 2016-08-10
• *Newton subject — 2014-07-20
• Quip, part 3 — 1997-06-26
• Extra benefit — 1995-03-01