I am currently in Los Angeles to observe the anniversary of the Chicano Moratorium against the Vietnam War, which happened August 29th, 1970. It is observed as a Chicano Memorial Day because of the three martyrs that happened on this day.
Here are some videos about this day:
Some raw footage of the August 29th protest and subsequent events afterward:
BBC interview with Chicano Moratorium Committee chair Rosalio Munoz: http://www.bbc.com/news/magazine-34006603
Older interview with Rosalio Munoz. Has good insight on the history, but do not endorse the reformist message at the end: