Fifty for 150: ‘Los Seis de Boulder’ activists killed in two car bombings in 1974

By: Chase Woodruff

Outlets: Colorado Newsline

Published: June 26, 2026

Words: 740

Last Updated: 3 weeks, 6 days ago


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On May 27, 1974, a bomb exploded in a car parked at Boulder’s Chautauqua Park, killing three people associated with the United Mexican American Students, a University of Colorado student group that had fought for civil rights on campus since its founding six years earlier.

Two days later, just after a memorial service for the three activists who were killed, another bomb exploded in a car with four UMAS activists inside, killing three and injuring …

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