Historical clue formulations

• L.A. neighborhood referenced in Tom Petty's "Free Fallin'" — 2021-07-18
• San Fernando Valley district — 2007-09-25
• Grayish green — 2000-09-15
• California locale whose name is an anagram of 52-Down — 1998-12-17
• Grayish green — 1996-09-01
• Grayish green — 1994-12-25