Historical clue formulations

• Skewered — 2021-06-06
• Like some fish and olives — 2018-09-07
• Like some olives — 2002-10-20
• Like some olives — 2002-08-25
• Picked up, as an hors d'oeuvre — 2001-07-02
• Ran through — 1998-11-13
• Like many martini olives — 1998-09-16
• Stuck — 1996-02-11
• Skewered — 1994-09-17