Historical clue formulations

• Ladies' night attendee — 2024-11-22
• Bestie, perhaps — 2024-04-13
• Female friend, informally — 2024-02-07
• Sister from another mister — 2023-01-14
• Friend with a rhyming description — 2020-11-08
• Ladies' night attendee — 2020-09-24
• Bachelorette party attendee — 2018-11-07
• Certain platonic friend — 2017-03-05
• Ladies' night attendee — 2016-10-12
• Whom a guy might hang with when he's not with the guys — 2011-07-17