Historical clue formulations

• Astonished, informally — 2026-08-16
• Tried to identify, in a way, as a wrapped gift — 2025-12-23
• Agitated — 2022-12-15
• All ___ up — 2017-12-28
• Lost, as a tail — 2013-02-24
• Shimmied — 1996-01-19