Historical clue formulations

• Forum discussion, popular once — 2026-08-20
• Early online forum — 2022-10-30
• Early online discussion forum — 2022-06-19
• Early online forum that popularized terms like "FAQ" and "spam" — 2021-11-21
• Online discussion forum — 2018-10-22
• Early online forum — 2018-06-10
• Early online forum — 2015-06-14
• Early online forum — 2014-09-27
• Newsgroup system since 1980 — 2013-01-02
• Setting for many early online discussions — 2012-06-23
• Early online forum — 2011-11-27
• Online newsgroup system — 2011-04-27
• Early online forum — 2011-02-13
• Early computer forum — 2010-12-20
• One of its groups is rec.puzzles — 2010-08-13
• Web forums' ancestor — 2010-05-29
• Early online discussion setting — 2009-10-16
• Predecessor of Web forums — 2009-05-01
• Online newsgroup system — 2005-06-19
• Online newsgroup system — 2005-02-09
• Large system of newsgroups — 2004-04-05
• Online newsgroup system — 2003-11-01
• Online newsgroup system — 2002-11-24
• Electronic newsgroup system — 1999-07-15