Historical clue formulations

• Brownish-orange shade — 2021-01-29
• Warm-colored pottery material — 2020-04-13
• Brownish orange — 2009-01-30
• Flowerpot material — 2009-01-14
• *Brownish-orange — 2008-02-17
• Some roofing — 2005-05-22
• Italian for "baked earth" — 2001-07-16