Historical clue formulations

• Collection of threads, of a sort — 2023-08-13
• Poster board? — 2022-01-02
• Place to wear a toga — 2020-05-20
• Grounds for discussion? — 2019-03-20
• Comments section, often — 2019-02-16
• A funny thing happened on the way to this, in an old musical — 2012-09-10
• Discussion venue — 2011-11-04
• Discussion site — 2011-10-31
• Round table — 2002-02-24
• Public meeting — 2002-02-19
• Moderator's milieu — 1999-10-03
• On-line feature — 1998-08-30
• Discussion medium — 1998-03-31
• Discussion opportunity — 1997-10-30
• Public meeting — 1995-10-25
• Cicero speaking site, with "the" — 1994-01-21