https://shrineodreams.wordpress.com/tag/vancouver-riots/
https://vancouversun.com/news/this-day-in-history-july-11-1970
https://www.theglobeandmail.com/news/national/marine-history-festival-founders/article983586/
Fortunately, Seattle is still able to have their festival after all these years. They just never seemed to have the same problems that Vancouver had.