Historical clue formulations

• Senior, informally — 2025-10-19
• One getting on — 2018-09-01
• Person getting way up there? — 2010-08-13
• Many a retiree — 2002-02-08
• Senior citizen — 1997-11-19
• Octogenarian, e.g. — 1995-08-21
• Graybeard — 1994-10-12
• Elderly one — 1994-01-31