Historical clue formulations

• Like the exteriors of armadillos — 2026-09-28
• Like snakes — 2025-07-09
• Snakelike, in a way — 2025-02-27
• Like pangolins — 2024-08-15
• Like lizards and fish — 2024-04-24
• Like pangolins and armadillos — 2023-01-15
• Like lizards and fish — 2018-12-20
• Like snakes — 2016-12-11
• Like a dragon's skin — 2015-04-20
• Like most fish — 2013-09-15
• Reptilian, in a way — 2008-07-13
• Like a lizard's skin — 2002-02-20
• Reptilian — 2001-11-25
• Like a dragon — 2000-07-07
• Like snakeskin — 1998-09-22
• Like serpent skin — 1995-05-05