Historical clue formulations

• "Behave!" — 2026-09-19
• Get one's act together — 2024-04-24
• "Get it together!" ... or a hint to the highlighted letters — 2021-06-23
• Develop — 1997-01-04
• Become orderly — 1995-02-16
• Work out at the gym — 1994-01-01