Historical clue formulations

• "Oh, settle down …" — 2023-10-11
• "Don't get yourself worked up" — 2015-04-26
• "Easy there!" — 2011-06-02
• "Simmer down!" — 2009-01-04
• "Come on ... be good, kids" — 2008-01-13
• "Calm down!" — 1998-04-20