Historical clue formulations

• 1960s diplomat Dean — 2025-03-30
• Dry biscuit used as baby food — 2021-10-24
• 1960s secretary of state Dean — 2012-08-07
• Kennedy's secretary of state — 2009-08-06
• J.F.K./L.B.J. cabinet member — 2001-11-18
• Twice-baked bread — 1998-04-09
• J.F.K.'s Secretary of State — 1996-02-26
• Kennedy Cabinet member — 1996-01-13