Historical clue formulations

• Messy abode — 2025-08-28
• Messy living area — 2024-03-05
• Oink-filled pen — 2019-02-24
• Filthy place — 2007-11-12
• Boar's abode — 2004-03-29
• Farm pen — 2004-01-26
• Boar's abode — 2002-12-02
• Messy place — 1996-05-23
• Symbol of messiness — 1996-03-26