Conversation so far:
What honours did Mick Jagger receive?
Mick Jagger was honoured with a knighthood for services to popular music in the Queen's 2002 Birthday Honours.
When was Mick Jagger honoured with a knighthood for servide to popular music?
Mick Jagger was honoured with a knighthood for services to popular music in the Queen's 2002 Birthday Honours.

Question: Why is this significant?
Self-contained rewrite: Why is Mick Jagger's knighthood significant?