Historical clue formulations

• Former Penn State football coach — 2019-06-09
• Winningest coach in college football history — 2015-08-08
• See 67-Across — 2010-02-04
• Longtime Penn State football coach — 2005-01-14
• Coach Joe of Penn State — 2000-11-16
• Coach of the Nittany Lions — 1994-02-12