Historical clue formulations

• Central point — 2026-05-09
• Heart — 2025-08-08
• Essence — 2025-04-16
• Pivotal point — 2024-12-09
• Heart — 2024-08-21
• Heart — 2023-12-16
• Main point — 2023-11-07
• ___ of the matter (pivotal point) — 2022-09-05
• Essential point — 2022-03-09
• Heart — 2022-01-14
• Pivotal point — 2021-08-16
• Essential point — 2017-01-17
• Central point — 2015-10-27
• Key target of resolution — 2013-01-18
• Central point, as of an argument — 2011-05-09
• Key point — 2010-10-13
• Nub — 2010-07-23
• Gist — 2009-12-18
• Central point — 2009-11-20
• Core — 2009-05-23
• Meat — 2007-04-20
• Heart — 2007-02-22
• Heart — 2006-05-28
• Heart — 2005-07-08
• Heart — 2004-07-25
• Heart — 2003-11-23
• Essence — 2003-07-27
• Key point — 2003-05-25
• Central point — 2002-12-04
• Central point — 2002-11-17
• Heart — 2001-04-04
• Heart of the matter — 2000-05-22
• Gist — 1997-07-20
• Pivotal point — 1996-05-06
• Heart — 1996-01-27
• Essential point — 1995-09-19