Historical clue formulations

• Flimflam — 2024-03-30
• Pig in a poke or pigeon drop — 2020-09-06
• Scam — 2014-05-22
• Scam ... or an apt title for this puzzle? — 2011-09-13
• It may be played on a mark — 2002-02-16
• Swindle — 1998-01-18