Historical clue formulations

• Some shindigs — 2022-05-05
• Formal wingdings — 2016-11-06
• Some black-tie events — 2015-03-29
• Some galas — 2012-02-02
• Bashes — 2007-12-09
• Fancy parties — 2006-03-05
• Some socials — 2004-12-04
• Musical evenings — 2002-07-19
• Memorable dos — 2000-08-20
• Evening get-togethers — 1997-09-09
• Elite parties — 1995-06-21