Historical clue formulations

• Old and trite — 2026-09-24
• Ancient — 2019-12-06
• As old as the hills — 2015-11-29
• Trite — 2014-08-15
• White with age — 2012-05-08
• Old and gray — 2011-01-26
• Grizzled — 2009-04-11
• Ancient — 2002-06-23
• Antediluvian — 2000-08-09
• Long in the tooth — 2000-03-19