Historical clue formulations

• Reasons for some street closures — 2024-10-26
• They've got tickets to rides — 2023-11-04
• Exhibitions — 2023-05-15
• Most states have state ones — 2023-02-10
• Events with tents — 2018-02-03
• Some fund-raisers — 2013-10-06
• They may offer rides — 2010-04-04
• Events with tents — 2006-08-11
• Carnivals — 2003-09-18
• Many states have them — 2002-02-28
• Expositions — 1997-10-09
• Science events — 1996-10-06