Historical clue formulations

• Date on a debit card: Abbr. — 2024-09-22
• Abbr. before a credit card date — 2017-02-27
• Abbr. on a credit card — 2015-07-11
• Food label abbr. — 2012-07-04
• Abbr. on many food labels — 2012-04-29
• Button abbr. on a scientific calculator — 2011-07-13
• Superscript number in math: Abbr. — 2010-05-12
• Food pkg. abbr. — 2009-06-14
• Abbr. before a date on a pkg. — 2005-07-05
• ___ date: Abbr. — 2004-02-01
• Milk carton abbr. — 2003-11-23
• Food pkg. abbr. — 1999-02-11
• Not a local: Abbr. — 1994-06-12
• Not local: Abbr. — 1994-02-13