Historical clue formulations

• Slips and such — 2020-11-20
• Push-ups, e.g. — 2019-05-25
• Boudoir wear — 2017-07-05
• Department store department — 2016-03-19
• Slips and such — 2013-11-13
• Common Valentine's Day gift — 2006-01-31
• Items of sheer delight? — 2001-11-02
• Sachet locale — 1998-10-24