Historical clue formulations

• It's on a roll! — 2026-03-08
• Long sandwich — 2024-11-19
• Hero of Philadelphia — 2021-01-30
• Submarine — 2020-09-02
• Sub — 2018-04-15
• Sub — 2017-08-27
• It might be full of baloney — 2015-11-01
• Long lunch? — 2012-06-29
• Sub — 2008-08-31
• Sub — 2008-06-19
• Sub — 2002-08-23
• Grinder — 1997-10-14