Historical clue formulations

• Do a slow burn — 2024-05-29
• Burn like embers — 2023-03-15
• Slowly burn — 2021-12-06
• Barely contain anger — 2020-12-13
• Do a slow burn — 2016-06-22
• Burn without a flame — 2012-07-17
• Barely contain one's anger — 2009-12-20
• Smoke a little — 2008-08-14
• Not quite catch fire — 2007-01-31
• Burn without a flame — 2004-11-15
• Do a slow burn — 1995-01-25