The Dow Day riots on October 18, 1967, in Madison, WI, were a significant anti-Vietnam War protest at the University of Wisconsin-Madison. Students opposed Dow Chemical Company’s recruitment on campus due to its production of napalm used in the war. The demonstration escalated quickly, leading to a violent confrontation.

Police were called in to disperse the protesters, and the situation turned chaotic as officers used tear gas and batons. Dozens of students were injured and arrested. The Dow Day riots became a pivotal moment in the campus anti-war movement, highlighting the growing national unrest and resistance against the Vietnam War.