Historical clue formulations

• Long Island town where the Wright Brothers experimented — 2010-06-27
• Seat of Nassau County, N.Y. — 2009-08-26
• Long Island town — 2004-01-11
• Long Island county seat — 2002-11-10
• County seat on Long Island — 2002-05-12
• Seat of Nassau County, N.Y. — 2000-04-26