Historical clue formulations

• 1965 #1 Byrds hit ... as suggested by this puzzle's shaded squares? — 2019-08-18
• #1 hit by the Byrds ... or directions for reading the answers to this puzzle's starred clues (always clockwise as indicated) — 2010-11-11
• 1965 #1 hit by the Byrds — 1999-07-05