Historical clue formulations

• City near Dayton — 2017-04-06
• City with major avenues named Cincinnati and Columbus — 2014-02-28
• City near Dayton — 2012-12-18
• Ohio town called the Bicycle Capital of the Midwest — 2009-03-11
• City near Dayton — 2008-08-21
• Ohio city whose name means "hospitality" in Greek — 2007-07-13
• City near Dayton — 2006-05-11
• City near Dayton — 2005-11-25
• Midwest city whose name means "hospitality" — 2002-02-08
• City near Dayton — 2000-10-19
• Seat of Greene County, Ohio — 2000-01-15
• Seat of Greene County, Ohio — 1999-11-12
• City near Dayton — 1999-09-20
• City near Dayton — 1997-05-02
• City SE of Dayton — 1996-10-22
• Midwest tornado site, 4/3/74 — 1995-10-28
• Ohio city — 1995-09-23
• Boris Godunov's daughter — 1994-11-12