Historical clue formulations

• Fire sign? — 2025-03-07
• Tip-off that you've forgotten something in the toaster — 2024-10-24
• Something you haven't been able to do on planes since 2000 — 2023-09-18
• Participate in a joint session? — 2023-05-06
• Deception, metaphorically — 2023-04-16
• Draw on, in a way — 2022-03-26
• Sign of fire — 2022-01-17
• Fire sign? — 2021-07-11
• Sign of fire — 2019-11-26
• Go to pot? — 2019-06-01
• Soundly defeat, informally — 2015-11-22
• Cig — 2015-01-11
• With 43-Across, 1973 Deep Purple hit? — 2014-03-30
• Fire sign — 2013-10-13
• Sign of engine trouble — 2011-12-31
• Camel, e.g. — 2011-05-05
• Word that can combine with the starts of the answers to the six starred clues — 2010-12-09
• Barbecue byproduct — 2009-11-22
• Burning evidence — 2009-01-23
• Feature of many a 1970s rock concert — 2008-12-24
• Fire sign? — 2007-07-04
• Content of some rings — 2007-01-28
• Cig — 2005-01-10
• Sign of an engine problem — 2004-12-29
• Havana, informally — 2004-06-06
• Burning evidence — 2002-08-30
• Fire sign — 2002-03-09
• Light up — 2001-02-13
• It may be secondhand — 2000-03-14
• Fire sign — 1999-11-01
• Cure, in a way — 1996-10-15
• Cure, in a way — 1995-04-22
• Sandburg's "_____ and Steel" — 1994-09-24
• Kind of signal — 1994-01-03