Historical clue formulations

• Frost-covered, poetically — 2023-06-03
• Frost-covered — 2015-06-14
• Frost-covered — 2014-04-04
• Frost-covered — 2007-03-27
• Frost-covered — 2006-01-11
• Frost-covered — 2005-09-18
• Frosted — 2001-11-30
• Frosted — 1997-10-31
• Frost-covered — 1995-08-28