Historical clue formulations

• There's a 4.75% chance of getting this in poker — 2022-06-19
• It loses to three of a kind — 2021-07-20
• Kings and queens, maybe — 2020-10-04
• Almost a full house — 2018-05-18
• Kings and queens, say — 2012-09-29
• So-so poker holding — 2009-04-10