Historical clue formulations

• ___ Fáil (ancient crowning stone) — 2020-10-12
• ___ Fáil (Irish coronation stone) — 2017-12-13
• ___ Fáil (ancient crowning stone) — 2017-08-11
• ___ Fáil (Irish coronation stone) — 2013-11-15
• ___ Fáil, Ireland's coronation stone — 2013-11-10
• Knight who hosts a country music radio show — 2011-07-08
• ___ Fáil, Irish coronation stone — 2009-12-23
• Debussy's "Air de ___" — 2007-08-30
• ___ Fail, Irish coronation stone — 2006-03-13
• ___ Fail (Irish coronation stone) — 2003-03-25
• ___ Fail, Ireland's coronation stone — 2001-04-21
• ___ Fail (Irish coronation stone) — 2000-01-07
• Debussy's "Air de ___" — 1998-04-25
• _____ Fail (ancient Irish stone) — 1994-07-15