Historical clue formulations

• Tiny bit — 2025-01-30
• Iota — 2022-04-10
• Iota — 2021-10-08
• Bit of dust — 2020-09-30
• Small bit — 2020-05-31
• Dot — 2018-11-09
• Jot — 2016-11-05
• Dot — 2014-10-19
• Bit of dust — 2014-09-29
• Tiny bit — 2013-06-22
• Tiny bit — 2012-03-28
• Particle — 2012-01-09
• Bit of dust — 2005-07-11
• Smidgen — 2003-05-14
• Iota — 1998-02-11
• Tiny bit — 1997-03-02
• Spot — 1996-10-18
• Bit of dust — 1996-10-14
• Particle — 1994-06-07