Historical clue formulations

• Member of the C.S.A. — 2018-02-02
• Nascar Hall of Fame locale: Abbr. — 2017-04-19
• Tenn. neighbor — 2015-02-11
• Birthplace of Pres. Polk — 2014-07-27
• Tar Heels' state: Abbr. — 2014-05-04
• Home of the Black Mts. — 2013-08-02
• Nascar Hall of Fame locale: Abbr. — 2011-09-02
• Duke's setting: Abbr. — 2011-06-11
• Raleigh's home: Abbr. — 2010-02-01
• Tenn. neighbor — 2009-12-01
• Birthplace of James K. Polk and Andrew Johnson: Abbr. — 2009-07-12
• Home of the Wright Brothers Natl. Memorial — 2008-12-07
• Home of the Natl. Hollerin' Contest — 2007-03-18
• Neighbor of Tenn. — 2006-12-19
• Neighbor of Va. — 2006-11-21
• Va. neighbor — 2002-07-28
• Raleigh's state: Abbr. — 2002-05-20
• Tar Heel State: Abbr. — 2001-10-31
• Tenn. neighbor — 2001-07-24
• Tenn. neighbor — 1998-10-03
• Va. neighbor — 1998-04-25
• It borders Tenn. — 1994-05-11