Historical clue formulations

• Inner circle — 2023-04-18
• Algonquin Round Table, e.g. — 2016-05-20
• Clique — 2012-11-18
• Circle — 2012-05-18
• Circle — 2004-02-15
• Exclusive group — 2002-04-17
• Circle — 2000-11-12
• Circle — 1994-10-30