Historical clue formulations

• Skunk — 2018-06-26
• Malodorous mammal — 2017-08-06
• Skunk — 2013-07-11
• Malodorous critter — 2009-08-26
• Relative of a sable — 2005-02-05
• Skunk — 2004-09-09
• Malodorous animal — 2000-03-28
• Skunk — 1998-07-15