Historical clue formulations

• 1,000 of them equal a kilo — 2021-05-04
• Nutrition label units — 2014-03-05
• There are about 28.35 of these in an ounce — 2010-01-19
• Nutrition label units — 2009-06-17
• Nutrition units — 2008-09-12
• Nutrition units — 1998-11-07
• Lab units — 1997-04-10
• Lab weights — 1995-08-16