Historical clue formulations

• Unlikely Best in Show winners — 2026-03-29
• Litter of a cockapoo and a puggle, say — 2024-11-17
• Long-running comic strip whose main characters aren't human — 2023-07-20
• Many rescues — 2020-12-06
• *Mongrels — 2018-05-15
• Pups without papers — 2012-04-18
• Dog registry rejects — 2005-05-22
• Ones outside established lines? — 2002-05-11
• Unlikely dog show winners — 2001-05-14
• Fido and friends — 1997-07-15
• Kennel club rejects — 1996-09-28
• American Kennel Club rejects — 1995-02-21
• Benji and others — 1994-08-20