Historical clue formulations

• Midwest state that's home to Moline — 2026-09-02
• Where Reagan was born — 2016-06-21
• ___ Avenue (Monopoly property landed on the most) — 2012-08-31
• Prairie State — 2006-08-31
• Where the Big Muddy flows — 2002-06-01
• Cicero's home — 2002-03-23
• Algonquian Indian confederation — 1997-11-16
• Property next to the B. & O. Railroad — 1996-08-02
• Locale of 40-Across — 1994-07-19