Historical clue formulations

• One who's coming and going — 2023-09-08
• Present person — 2020-10-17
• One who shows — 2015-04-24
• Barack or Michelle Obama, at the memorial service for 36-Across — 2013-12-24
• Eventgoer — 2007-03-12
• Conference-goer — 2006-09-04
• First person present, e.g. — 2000-04-28
• Audience member — 1999-03-05
• One who shows up — 1998-11-24
• Skipper's opposite — 1998-11-21
• Partygoer — 1998-05-18