Historical clue formulations

• Limited — 2026-08-08
• Like the set of single-digit integers — 2025-11-23
• Like a mom or dad's patience — 2025-06-08
• Like the universe, according to Aristotle — 2024-06-07
• Limited in number — 2018-12-03
• Limited — 2016-06-12
• Limited — 2004-05-18
• Bounded — 2004-02-27
• Limited — 2003-10-02