Historical clue formulations

• Trail marking — 2024-04-26
• Reason to call the fire department — 2023-06-27
• Brilliant display — 2021-11-27
• Conflagration — 2021-10-03
• Five-alarmer, e.g. — 2015-02-18
• Bonfire — 2011-02-22
• Brilliant display — 2009-05-08
• Three-alarm event — 2006-11-02
• Mark, as a trail — 2004-02-18
• Four-alarmer, e.g. — 2003-08-26
• Horse marking — 1996-10-19
• Fire — 1996-06-17