Historical clue formulations

• Wrinkle-faced dogs — 2024-09-17
• Wrinkly-faced dogs — 2024-05-20
• Dogs in Tibetan monasteries, once — 2021-12-09
• Flat-faced dogs — 2020-01-12
• Boxers — 2018-09-28
• Curly-tailed dogs — 2016-05-20
• Ones with faces only a mother could love — 2003-11-02
• Boxers, derogatorily — 1997-01-29
• Boxers, informally — 1995-06-07