Historical clue formulations

• Dinners in sties — 2026-08-01
• Spills (over) — 2026-01-13
• Pours poorly — 2024-03-24
• Spills messily — 2023-04-10
• Pours poorly — 2016-07-24
• Spills (over) — 2012-06-19
• Swine's diet — 2012-03-25
• Spills — 2012-02-23
• Feeds on the farm, maybe — 2011-08-27
• Feeds, as pigs — 2009-06-22
• Dishes out undaintily — 2007-10-19
• Feeds, in the pen — 2004-11-20
• Spills — 2000-01-02
• Spills (over) — 1996-08-15
• Pours none too neatly — 1996-05-01
• Makes a mess — 1994-08-08