Historical clue formulations

• Language in which "eleven" is "once" — 2023-02-15
• What the answer at 26-Across is written in — 2020-02-16
• Language that utilizes the letter "ñ" — 2017-04-05
• "Cómo está usted?" language — 2010-11-29
• See 92-Down — 2006-02-19
• Florida colonizers, with "the" — 2004-07-29
• Where El Niño comes from — 2002-02-10
• Cordovan, e.g. — 2001-06-10
• High school subject — 1997-02-27
• _____ rice — 1995-11-26