| Clue | Source | Date |
|---|---|---|
| Some 1960s protests | Wall Street Journal | 27 Feb 2020 |
| Some Vietnam War protests | New York Times | 11 Mar 2017 |
| Some Vietnam War protests | ||
| Gatherings for hippies | New York Times | 07 Feb 2015 |
| Gatherings for hippies | ||
| Some hippie happenings | ||
| Some '60s war protests | ||
| Some '60s war protests | ||
| Hippie happenings |