Historical clue formulations

• I, O, U and Y, but not A or E — 2026-08-22
• What B and C (but not A) may represent — 2019-07-18
• Listings on the periodic table — 2018-10-29
• Earth, wind and fire — 2017-08-16
• Gold and silver, but not bronze — 2011-02-27
• Mendeleev's tabulation — 2010-06-30
• Things on a table — 2010-02-24
• Periodic table listings — 2005-01-03
• Some metals — 2003-06-12
• Gold and silver, e.g. — 2000-07-16
• Weather — 1998-07-30
• Classic work of Euclid — 1998-03-22
• Euclidean work — 1994-10-15
• Strunk and White's "The _____ of Style" — 1994-08-16
• Euclid's grand work — 1994-05-25