Historical clue formulations

• Black prom rentals — 2025-10-22
• Boardroom group — 2025-05-09
• Corporate bigs — 2020-02-07
• Spades, hearts, diamonds and clubs — 2016-07-04
• Poker set? — 2014-08-24
• Goes well with — 2010-06-30
• They're taken to the cleaners — 2007-11-23
• Those making firm decisions? — 2006-09-02
• Execs — 2001-07-22
• Business types — 1999-03-17
• Businessmen, slangily — 1997-02-07
• Pleases — 1994-06-16