Historical clue formulations

• Knocked off — 2025-02-12
• Finished off — 2024-01-09
• Offed — 2022-02-20
• Dispatched — 2020-06-14
• Brought to ruin — 2018-08-13
• Murdered — 2017-09-25
• Knocked off — 2014-02-24
• Brought to ruin — 2007-08-20
• Dispatched — 2004-09-25
• Slew — 2003-09-05
• Iced — 2003-06-15
• Iced — 1999-11-26
• Poisoned, for instance — 1998-08-04
• Offed — 1998-07-09