Historical clue formulations

• Resident of Nebraska's largest city — 2023-01-31
• Resident of Nebraska's largest city — 2020-02-18
• Certain Cornhusker — 2016-09-23
• Many a worker at Union Pacific headquarters — 2014-03-22
• Many an urban Cornhusker — 2014-02-12
• Resident of Nebraska's largest city — 2011-09-19
• Native Nebraskan — 2011-06-22
• Marlon Brando, by birth — 2010-03-14
• Warren Buffett, e.g. — 2009-04-17