Historical clue formulations

• Pesach observers — 2021-06-27
• Seder celebrants — 2016-08-17
• Shul attendees — 2013-01-30
• Moe, Larry and Curly, ethnically — 2012-06-13
• A majority of Israelis — 2012-01-16
• Saturday worshipers — 2008-04-02
• Charge of Moses — 2006-10-20
• Jacob and Abraham, e.g. — 2005-03-13
• "My People" subject — 2001-11-18
• Feast of Lights observers — 1998-04-29