Historical clue formulations

• Ernest in the Country Music Hall of Fame — 2025-12-15
• Country singer Ernest — 2015-05-17
• Ernest nicknamed "The Texas Troubadour" — 2015-01-13
• Ernest of country music — 2014-03-19
• Ernest of the Country Music Hall of Fame — 2013-09-09
• Country music pioneer Ernest — 2010-05-12
• Country music legend Ernest — 2006-07-06
• Singer called the Texas Troubadour — 2006-04-22
• Honky-tonk legend Ernest — 2002-07-14