Historical clue formulations

• Parts of many oak leaves — 2023-10-08
• Lung or brain segments — 2023-05-14
• Brain divisions — 2021-06-21
• Some piercing spots — 2020-05-03
• Brain sections — 2018-02-15
• Places for studs — 2016-10-23
• Lower parts of 18-Down — 2016-01-25
• Places for studs — 2014-03-16
• Ear features — 2011-05-23
• Brain parts — 2008-05-04
• Brain sections — 2007-08-20
• Pierced places — 2001-11-13
• Earring sites — 2001-02-26
• Places for studs — 1998-08-23
• Ear parts — 1996-12-30