Historical clue formulations

• Toast sound — 2021-10-21
• Sound heard shortly after "Here's to ..." — 2017-02-18
• Can — 2012-12-15
• ... champagne glasses — 2008-12-02
• What many champagne glasses do — 2006-02-14
• Sound at a toast — 2000-04-06
• Sound from a toaster? — 1999-09-11
• Post-toast sound — 1997-03-12
• Sound of a toast — 1995-10-21