Historical clue formulations

• Purchase at a sports stadium — 2023-12-03
• Purchase at a sports stadium — 2018-09-16
• Stadium store souvenir — 2016-06-19
• Giant article of clothing? — 2014-12-06
• Article of sports attire with a number — 2014-04-07
• Top of a stadium — 2007-07-20
• It's across the Hudson from New York — 1998-12-22