Historical clue formulations

• Charles Darwin's ship — 2025-05-29
• Long-eared hound — 2023-12-26
• Snoopy's breed — 2022-12-27
• Ship on which Darwin collected material for "On the Origin of Species" — 2021-11-20
• Snoopy sort? — 2020-11-29
• *Darwin's ship — 2015-02-17
• Long-eared dog — 2013-11-18
• Tricolor pooch — 2009-10-29
• Snoopy, for one — 2008-04-28
• Charles Darwin's ship H.M.S. ___ — 2008-03-08
• Snoopy, for one — 2003-10-13
• Hound — 2003-10-10
• Snoopy, e.g. — 2001-08-16
• Snoopy, for one — 1998-04-27
• Snoopy, for one — 1997-03-24
• Snoopy, for one — 1996-10-15
• Long-eared pooch — 1994-08-15