Historical clue formulations

• Pacific salmon — 2025-03-24
• Sockeye relative — 2022-12-24
• Silver salmon — 2022-10-26
• Small Pacific salmon — 2021-01-01
• Sockeye relative — 2020-08-01
• Salmon variety — 2018-04-23
• Fish also known as a blue jack — 2014-05-03
• Pacific salmon — 2012-09-17
• Salmon variety — 2012-08-09
• Alaskan salmon — 2010-09-10
• Silver salmon — 2010-06-04
• Great Lakes salmon — 2008-06-22
• Small salmon — 2007-11-11
• Small salmon — 2004-02-01
• Small salmon — 2002-08-18
• Fish also called "blue jack" — 1999-02-20
• Pacific salmon — 1995-09-26