Historical clue formulations

• Tally mark — 2025-08-06
• V-shaped cut — 2023-10-23
• One of many in a dictionary's thumb index — 2023-09-05
• Tally mark — 2020-11-16
• V-shaped cut — 2018-08-14
• V-shaped cut — 2018-05-26
• Belt mark — 2016-01-31
• V-shaped cut — 2015-12-28
• V-shaped cut — 2014-12-02
• Mark of a successful gunfighter — 2012-02-25
• Step — 2012-01-28
• Step — 2008-12-13
• Gunslinger's mark — 2008-03-18
• Tally mark — 2008-02-10
• Unit on a belt — 2006-03-07
• Lumberjack's first cut — 2004-02-17
• Score — 2004-02-05
• Tally mark — 2000-04-02
• Part of a spool — 1997-03-19
• Chalk up — 1995-01-27