Historical clue formulations

• Like some dialects — 2019-12-14
• Not national, as an airline — 2019-05-06
• Fit for a queen — 2016-10-27
• Like the words "hoagie" and "kitty-corner" — 2014-10-31
• Prefinal tournament — 2001-08-06
• Important basketball tournament — 1995-04-22