Historical clue formulations

• "Relax!" — 2023-06-12
• "Easy there!" — 2022-02-13
• Order to stop — 2021-01-08
• Chill — 2013-11-29
• "Chill!" — 2012-04-01
• "Stop that!" — 2011-07-17
• "Enough!" — 2008-12-18
• "Settle down!" — 2003-05-11
• Take a chill pill — 2002-09-30
• "Calm down!" — 1995-01-24