Historical clue formulations

• SoCal daily — 2018-02-06
• Longtime "Column One" printer, briefly — 2010-08-07
• Tribune Co. subsidiary — 2001-06-09
• Calif. daily — 1999-01-31
• Calif. paper — 1995-12-10
• Norman Chandler's paper, briefly — 1995-05-28
• Largest newspaper in Calif. — 1995-01-10