Historical clue formulations

• Harold who sought the Republican presidential nomination nine times over 48 years — 2021-09-02
• Nine-time presidential contender of the 1940s-'90s — 2016-07-15
• Onetime Minnesota governor who ran for the G.O.P. presidential nomination nine times — 2014-10-03
• Quadrennial candidate of old — 2002-09-15
• 1948 presidential contender — 2001-08-24
• Quadrennial candidate Harold — 1998-09-01
• Old G.O.P. politico Harold — 1996-04-02
• He 88-Across and 88-Across and 88-Across — 1995-12-31
• Eisenhower confidant — 1994-08-26
• Harold of politics — 1994-04-12