Historical clue formulations

• Some fridges — 2025-08-08
• Some Korean smartphones — 2025-01-12
• Some appliances — 2024-10-05
• Some smartphones — 2024-03-03
• Some smartphones — 2022-11-04
• Some smartphones — 2020-09-20
• Some Korean-made TVs — 2016-07-17
• Some TVs and smartphones — 2015-12-27
• Some TVs — 2015-07-17
• Some N.F.L. blockers: Abbr. — 2013-07-30
• Some football linemen: Abbr. — 2009-09-01
• Some offensive linemen: Abbr. — 2008-07-20
• Linemen next to centers: Abbr. — 2007-12-08
• Linemen near centers: Abbr. — 2007-03-08
• Some football linemen: Abbr. — 1998-04-05
• Gridiron positions: Abbr. — 1995-04-16