Police fire tear gas. Protestors throw rocks and bottles. At least 128 injuries, but no policemen hospitalized. Towards evening, Governor Reagan calls out the National Guard and bans public assembly. May 16-28, 1969.
Protests continue on a daily basis.
National Guardsmen block Sather Gate. A helicopter sprays the campus with CS tear gas. Campus referendum massively endorses the Park. People's Park annexes spring up all over Berkeley. 9000 students protest in Sacramento.