Historical clue formulations

• It cost 5¢ in 1965 — 2022-01-16
• Lima expense — 2016-09-15
• Mailing charge — 2016-09-05
• Corresponding expense? — 2016-07-10
• It may get a licking — 2005-06-17
• Big catalog company expense — 2000-01-06
• It's saved by E-mail — 1999-10-10
• Stamps — 1998-05-26
• Stamps — 1997-06-15
• It's stuck in a corner — 1997-05-17