Historical clue formulations

• Oreo ___ — 2019-07-26
• Some crackers — 2015-06-28
• Wheat ___ — 2005-06-26
• Dilutes — 2003-08-03
• Dilutes — 2003-03-09
• Wheat crackers — 2000-08-02
• Wheat _____ (crackers) — 1993-12-08