Historical clue formulations

• Nestlé bars filled with tiny bubbles — 2025-09-24
• Former Houston hockey team — 2020-10-06
• Former Houston hockey team — 2019-07-05
• Nestlé bars filled with tiny bubbles — 2017-05-09
• Planes, old-style — 2017-01-19
• Planes, quaintly — 2014-12-12
• Flying machines, quaintly — 2014-03-05
• Houston skaters — 2010-08-03
• Houston skaters — 2007-07-24
• Houston hockey team — 2003-11-21
• Houston hockey team of the 70's — 2001-02-10
• Akron AA baseball team — 2001-01-04
• Old autos — 1997-05-26
• Old Houston hockey team — 1996-12-08
• Former Houston hockey team — 1994-09-22