What really happened at Kent State?

National Guard Opening Fire on Kent State University Demonstrators, Ohio, USA, 1970. Universal History Archive / UIG via Getty Images

After the Kent State shootings, colleges across the country closed. However, decades later, researchers still aren't sure what actually happened at Kent State. Tune in and learn more in this podcast from HowStuffWorks.com.

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Topics in this Podcast: Protests, tragedies, vietnam war, U.S. history, massacres, American history, 20th century