Historical clue formulations

• Feasts, e.g. — 2022-04-14
• Meals — 2019-05-01
• Important parts of Thanksgiving and Easter — 2014-04-13
• Meals — 2012-01-03
• Feasts — 2002-09-03
• Meals — 2000-05-23
• Military messes? — 2000-04-08