Related Clues:
- 60's protest
- 60's event
- Hippie gathering of a sort
- Hippie celebration
- Peaceful protest
- Hair tune
- Happy hippie happening
- Hippie happening
- Peaceful gathering, 60's-style
- 60's happening
- '60s hippie gathering
- 'It's not easy ___ green'
- See 1 Across
- "Oh, to --- England ..."
- '___ Green' (Kermit the Frog song)