Historical clue formulations

• Refuse — 2020-07-01
• Kind of mail or bond — 2014-03-05
• Kind of mail — 2011-07-20
• Chinese vessel — 2010-05-20
• Atticful — 2006-01-24
• Attic buildup — 2004-02-12
• Closet buildup — 2001-06-04