Historical clue formulations

• Stick by a fireplace — 2025-12-26
• Dating app success — 2024-08-18
• One getting fired after a strike? — 2024-05-05
• [See notepad] — 2022-01-19
• What socks usually do — 2019-10-27
• 6-3, 2-6, 7-6, e.g. — 2017-02-22
• One of 20 in a book — 2016-01-27
• ___.com (dating site) — 2015-08-03
• Success story for Cupid — 2013-03-05
• Go together perfectly — 2012-07-30
• With 64-Across, 1-/66-Across movie of 2005 — 2010-12-01
• Success on TV's "Concentration" — 2010-08-11
• Light, maybe — 2007-10-14
• What twins' clothes usually do — 2006-05-16
• Lighter alternative — 2002-03-31
• Part of a book? — 2000-04-12
• Lucifer — 1994-07-21
• "Concentration" objective — 1994-02-22