Historical clue formulations

• They're hard to pull off — 2026-05-16
• Exploits — 2024-08-15
• Guinness records, typically — 2023-12-27
• Outstanding accomplishments — 2021-07-19
• Achievements — 2021-01-29
• ___ of Strength (Festivus rite) — 2016-04-12
• *Daredevils' doings — 2011-03-22
• Outstanding accomplishments — 2006-08-28
• Guinness Book listings — 2006-07-28
• Guinness Book listings — 2006-05-09
• Exploits — 2005-11-06
• Stunts — 1997-11-08
• Achievements — 1996-09-23