Historical clue formulations

• Lincoln's locale — 2016-07-20
• The Cornhuskers — 2012-03-27
• Location of the 44-Down — 2009-05-16
• Boys Town setting — 2002-05-18
• Admission of 1867 — 2000-10-13
• Seven-time Orange Bowl champs — 1998-12-06
• "O Pioneers!" setting — 1997-05-13
• Six-time Orange Bowl champs — 1996-07-10