Historical clue formulations

• Intelligence — 2026-03-26
• Really hurts — 2023-12-01
• Savvy — 2019-10-22
• Cleverness — 2019-02-10
• Brainpower — 2018-11-18
• Savviness — 2018-11-06
• Braininess — 2015-10-21
• Savvy — 2012-10-25
• Intelligence — 2010-03-15
• Hurts — 2009-08-26
• Common sense — 2008-03-19
• Gray matter — 2006-10-11
• Savvy — 2003-12-06
• Intelligence — 2001-07-16
• Savvy — 1998-05-23
• Savvy — 1998-05-15
• Common sense — 1998-04-09
• Slangy acumen — 1997-08-17
• Savvy — 1997-01-04
• Street _____ — 1995-12-17
• Intelligence — 1995-12-13