Historical clue formulations

• Fervent — 2026-01-03
• Causing white knuckles, say — 2019-04-08
• Extreme — 2011-06-17
• Very emotional — 2010-08-15
• Fervent — 2009-08-09
• White-knuckle — 2007-10-18
• Strong, as emotions — 2007-04-30
• Emotional — 2006-09-03
• Extreme — 2005-03-20
• Deep — 2004-07-11
• ... — 2004-01-15
• Passionate — 1999-12-12
• Type-A — 1999-03-14
• Like some gazes — 1998-05-26
• Strong — 1998-01-11
• Concentrated — 1995-08-24
• Vehement — 1995-03-05
• High-powered — 1994-08-07