Historical clue formulations

• Teacher for a day — 2026-07-21
• Long sandwich with cold cuts, maybe — 2026-06-29
• Teacher for just a day, informally — 2025-09-23
• Hoagie — 2025-07-01
• Deli order — 2024-10-09
• Teacher's cover — 2024-07-23
• Fill-in teacher, informally — 2024-06-04
• Benchwarmer — 2024-05-15
• Sandwich you really need two hands to eat — 2024-02-07
• Bit of income for a magazine, informally — 2023-04-07
• Red October in "The Hunt for Red October," e.g. — 2023-01-24
• Hoagie — 2022-12-28
• Go in (for) — 2022-11-11
• Nonstarter — 2022-02-26
• Vessel with a hatch, informally — 2022-02-13
• Hoagie — 2021-02-16
• Hero — 2020-09-17
• Classroom temp — 2020-05-05
• Periscope site — 2019-08-06
• Stand in (for) — 2019-07-10
• Deli order — 2019-02-10
• Footlong, for one — 2018-10-17
• Benchwarmer — 2018-01-24
• Under goer? — 2017-08-06
• Down in front? — 2017-04-16
• Go in (for) — 2017-02-26
• Teacher who may get no respect, informally — 2016-10-25
• Swap (out) — 2016-09-18
• Clancy's Red October, e.g. — 2016-08-21
• Stand-in — 2015-05-05
• Benchwarmer — 2014-12-02
• Benchwarmer — 2014-07-23
• Pinch-hitter — 2014-03-29
• Easily pranked teacher, maybe — 2014-03-03
• Fill-in — 2012-12-20
• Backup — 2011-06-30
• Hero — 2009-01-25
• 40-Down, e.g. — 2008-05-13
• Fill-in — 2008-01-11
• Fill in — 2007-05-11
• Hero — 2006-07-19
• Footlong, e.g. — 2006-06-12
• Hero — 2006-05-11
• Not a starter — 2006-02-08
• Hero — 2005-06-26
• Grinder — 2004-12-05
• Sizable sandwich — 2003-02-10
• K-19, for one — 2002-08-04
• Fill-in — 2001-04-08
• Hero — 2001-01-20