Historical clue formulations

• First college in the modern era to boast a 15-0 football team — 2026-04-05
• With 61-Across, two-time N.C.A.A. football champs of the 2010s — 2020-10-17
• The Tigers of the A.C.C. — 2018-02-06
• Where William (the Refrigerator) Perry played college football — 2008-05-03