Historical clue formulations

• Keep going — 2023-10-15
• 2021 Elizabeth Warren book — 2021-12-14
• Goon — 2019-03-28
• What a bad cold may do — 2017-01-27
• Go on — 2014-09-06
• Not give up — 2007-02-27
• Keep going — 2003-05-13
• Keep going — 2002-12-07
• Hang tough — 2002-02-28