Historical clue formulations

• Burns with liquid — 2026-02-02
• Heats to just below a boil, as milk — 2025-03-23
• Burns, in a way — 2019-07-28
• Burns in the kitchen, maybe — 2013-04-14
• Barista's injuries — 2013-01-12
• Burns — 2008-05-23
• Heats just short of boiling — 2004-09-07
• Coffee mishaps — 2004-04-03