Historical clue formulations

• Hoppers between lily pads — 2024-05-01
• Second of the 10 biblical plagues — 2020-01-05
• Aristophanes comedy, with "The" — 2010-12-22
• 2004 Sondheim musical, with "The" — 2007-12-28
• Aristophanes drama, with "The" — 2005-09-17
• Hardly princes — 2001-02-25
• The second plague, in Exodus — 1998-04-26
• Aristophanes comedy, with "The" — 1996-04-01
• Aristophanes comedy, with "The" — 1995-03-15