Historical clue formulations

• Frenzies — 2021-10-18
• They come and go — 2014-10-25
• Furbys and yo-yos, once — 2012-04-04
• Pokémon and the Beatles, once — 2007-06-03
• Pokémon and pet rocks, e.g. — 2005-06-29
• Rages — 2003-12-20
• Rages — 1998-06-06