Historical clue formulations

• Puzzle out — 2026-01-26
• Figure out — 2025-09-16
• Work out — 2024-10-25
• Tackle, as a crossword — 2024-10-08
• Do a puzzle — 2024-02-19
• Unravel — 2022-06-23
• Crack — 2022-02-27
• Do a crossword, say — 2021-12-13
• Crack — 2021-06-25
• Do, as a crossword — 2020-09-14
• Work out — 2017-11-12
• Find x, say — 2016-01-08
• Puzzle out — 2015-03-17
• Figure out — 2011-03-02
• Work out — 2008-04-25
• Do, as a puzzle — 2007-06-18
• Work out — 2007-01-14
• Work out — 2005-12-14
• Figure out — 2005-05-04
• Unravel — 2005-03-12
• Puzzle out — 2005-02-06
• Figure out — 2005-01-18
• Find the value of x — 1998-09-01
• Crack — 1997-01-26
• Figure out — 1996-07-23
• Crack the case — 1995-02-28