Historical clue formulations

• Country singer Keith — 2025-01-12
• Keith of country music — 2022-01-26
• Country singer ___ Keith — 2020-06-16
• Country singer Keith — 2020-05-12
• Country singer Keith — 2017-07-18
• ___ Ziegler, Richard Schiff's Emmy-winning role on "The West Wing" — 2016-12-29
• ___ Keith, singer with 20 #1 country hits — 2016-09-26
• "Twelfth Night" sir — 2011-06-09
• Man-shaped mug — 2010-10-19
• Sir ___ Belch of "Twelfth Night" — 2009-01-20
• Shakespeare's Sir ___ Belch — 2008-03-11
• Mug in a pub — 2006-08-27
• Mug with a mug — 2005-07-15
• Decorative mug — 2002-02-03
• Kunta Kinte's slave name — 1998-08-23
• Illustrated mug — 1996-10-09