Historical clue formulations

• With 58-Across, member of the last undefeated N.C.A.A. Division I men's basketball team (1976) — 2026-08-05
• Iconic role for Harrison Ford — 2026-05-17
• The Hoosier State — 2021-05-18
• So-called "Crossroads of America" — 2019-06-30
• So-called "Crossroads of America" — 2018-05-25
• Locale of the Battle of Tippecanoe — 2015-11-15
• One of the red Monopoly spaces — 2014-02-12
• Where "Parks and Recreation" is set — 2011-05-22
• Gary's home — 2007-11-21
• The Crossroads of America — 2004-06-25
• Home to some 4-Across — 2003-10-26
• Noted Jones — 2000-11-25
• Perennial college basketball powerhouse — 2000-11-17
• Where Brazil and Angola are — 2000-09-09
• Its motto is "Crossroads of America" — 1996-02-23
• Archeologist Jones — 1994-05-29