Historical clue formulations

• Frog's sound — 2025-09-16
• Speak with a deep, hoarse voice — 2020-11-19
• Kick the bucket — 2012-10-07
• Marsh sound — 2011-05-20
• Barely speak — 2000-09-03
• Swamp sound — 2000-08-25
• Raven's call — 1999-07-08