Historical clue formulations

• Seat of Orange County, Calif. — 2018-10-26
• Largest river of southern California — 2013-09-07
• Hot desert wind — 2013-01-02
• Orange neighbor — 2011-06-11
• California wind — 2009-10-18
• Orange County seat — 2008-09-06
• City east of Long Beach — 1999-10-14
• Seat of Orange County, Calif. — 1999-04-11