Historical clue formulations

• Those whom a host hosts — 2023-02-27
• They can be friendly while patronizing — 2022-01-14
• Talk show slate — 2021-11-07
• Party people — 2020-07-11
• Hotel fillers — 2015-12-03
• Whom hosts host — 2013-12-30
• Inn crowd — 1998-12-27
• Invitees — 1995-04-28
• Hosts' counterparts — 1995-02-20