Historical clue formulations

• Good cheer — 2021-09-09
• Jollity — 2019-12-29
• Gaiety — 2019-02-08
• Jollity — 2015-03-31
• Opposite of gloom — 2014-04-12
• Amusement — 2012-08-31
• Jollity — 2012-01-23
• Risibility — 2007-06-10
• Gaiety — 2007-05-20
• Feature of a Friars Club meeting — 2005-08-04
• Great amusement — 1996-03-31