Historical clue formulations

• Middle of Middlesex — 2023-12-08
• World Trade ___ (fixture of Hong Kong or Toronto) — 2023-10-21
• Middle of France? — 2022-10-29
• Bath hub? — 2010-07-03
• Middle of the British Isles? — 2009-05-29
• Rockville ___, L.I. — 1997-08-03