Historical clue formulations

• Mattress coils — 2023-09-11
• Suddenly appears, with "up" — 2023-09-10
• Presents unexpectedly — 2020-11-07
• Helps out quickly? — 2005-02-13
• Naiads' homes — 1994-07-26
• Resort locale — 1994-04-05
• Upholstery concern — 1994-01-05