Historical clue formulations

• Ignatius J. ___, protagonist in "A Confederacy of Dunces" — 2019-06-08
• Charles Nelson ___, old game show staple — 2013-09-15
• Charles Nelson ___, longtime "Match Game" panelist — 2009-10-12
• Comic Charles Nelson ___ — 2008-08-24
• Harry of John O'Hara's "Appointment in Samarra" — 1998-01-10
• Comic Charles Nelson ___ — 1997-05-27
• Game show regular Charles Nelson ____ — 1995-09-06