Historical clue formulations

• Mortarboard wearer — 2026-07-15
• Person congratulated in a yard sign, maybe — 2026-06-27
• Alum — 2026-01-14
• Celebrant in May or June — 2024-09-10
• ___ gift (common spring purchase) — 2024-07-21
• Mortarboard tosser — 2024-03-24
• ___ school — 2023-10-18
• Late-spring celebrant — 2023-06-01
• Last year's sr. — 2023-03-13
• Alum — 2022-11-15
• Bachelor, e.g. — 2022-04-30
• One being asked for donations, often — 2022-01-21
• Mortarboard tosser — 2022-01-17
• June celebrant, informally — 2021-08-10
• ___ program — 2021-05-12
• ___ school — 2021-02-17
• One temporarily donning a cap — 2021-01-30
• Gown wearer, informally — 2020-11-24
• Many a May or June honoree — 2020-10-21
• ___ school — 2020-09-02
• May or June gown wearer — 2020-03-02
• Commencement celebrant, in brief — 2019-12-24
• One coming to homecoming, maybe — 2019-01-15
• ___ school — 2018-07-13
• June celebrant, for short — 2018-06-20
• Alum — 2018-01-21
• One finally done with finals? — 2017-05-29
• ___ school — 2017-05-06
• Ending with Lenin or Stalin — 2017-03-08
• '13 or '14, now — 2015-02-24
• Mortarboard tosser — 2014-02-26
• Tassel sporter — 2012-05-29
• Sheepskin holder — 2012-03-28
• Former Lenin adherent? — 2010-10-22
• Diploma holder — 2009-09-20
• Many a 21-Down celebrant — 2009-02-06
• Mortarboard tosser — 2008-09-16
• Cap and gown wearer — 2005-06-27
• Alum — 2004-11-02
• Diploma holder — 2004-09-12
• Alum — 2004-08-23
• Last year's sr. — 2002-02-25
• June celebrant — 2002-02-05
• Alum — 1998-11-18
• Alum — 1998-01-26
• Alum — 1997-12-10
• Kind of student — 1997-11-09
• Alum — 1997-07-21
• Sheepskin holder — 1997-04-27
• Mortarboard wearer — 1997-02-18