Historical clue formulations

• "___-doke!" — 2022-10-10
• "___ doke!" — 2021-09-13
• ___-doke — 2020-03-01
• "___-doke!" — 2016-02-02
• ___-doke — 2007-07-04
• ___-dokey — 2006-09-26
• ___-dokey — 2003-01-05
• ___-doke — 2001-08-26
• ____ dokey — 1995-07-24