Historical clue formulations

• *One parked at a park, in brief — 2022-11-17
• ___ Griffin Enterprises — 2021-02-15
• First name in game shows — 2019-06-28
• Old TV's ___ Griffin Productions — 2017-10-25
• Griffin who created "Wheel of Fortune" — 2015-09-28
• Griffin who created "Jeopardy!" — 2014-10-23
• Game show maven Griffin — 2014-03-04
• TV's Griffin — 2013-10-20
• "Jeopardy!" creator Griffin — 2013-06-09
• Longtime first name in TV talk — 2012-05-18
• Griffin who created "Wheel of Fortune" — 2011-09-05
• First name in old TV talk — 2011-04-12
• Griffin who loved game shows — 2008-03-16
• "___ Griffin's Crosswords" — 2008-01-28
• Griffin who created "Jeopardy!" — 2005-11-21
• ___ Griffin, 1960's-80's talk show host — 2005-01-24
• "Jeopardy!" creator ___ Griffin — 2003-12-23
• First name in game show production — 2001-12-09
• TV's Griffin — 2001-08-15
• First name in old TV talk — 1999-04-09
• TV's Griffin — 1998-12-03
• Ex-host Griffin — 1996-11-05
• Griffin of "Jeopardy!" — 1996-02-21
• TV's Griffin — 1996-01-08
• First name in TV talk — 1995-02-05
• First name in casino ownership — 1994-08-30
• First name in game shows — 1994-05-11
• First name in TV talk — 1994-02-10
• Former talk-show host — 1994-01-24