Historical clue formulations

• Alums — 2025-07-08
• Alumni — 2024-05-27
• They're typically older than seniors — 2024-02-22
• New LinkedIn members, perhaps — 2023-12-16
• Ex-seniors — 2021-08-04
• Certain gown wearers — 2021-07-16
• Many June celebrants — 2020-09-04
• Addressees of valedictories — 2019-07-05
• Some May celebrants, informally — 2018-10-18
• Their number increases every May — 2017-08-25
• Tassel movers — 2017-05-07
• Commencement participants, for short — 2014-11-26
• May gift recipients — 2008-07-04
• '00's, now — 2007-03-31
• Some cap tossers — 2006-10-21
• Diploma receivers, for short — 2006-09-04
• Bachelors, e.g. — 2005-04-17
• Alumni — 2000-11-20
• Alums — 2000-03-15
• Mortarboard tossers — 1999-04-22
• Homecoming V.I.P.'s — 1997-06-06
• Last year's srs. — 1995-08-31
• June honorees — 1994-10-26