Historical clue formulations

• Precisely — 2013-05-21
• Perfectly — 2011-11-27
• Precisely — 2005-05-28
• Perfectly — 2001-09-08
• To a T — 2001-02-23
• Exactly — 2000-04-29
• Exactly — 1997-10-25
• Exactly — 1996-02-17
• Exactly — 1993-12-18