UCSB MultiCultural Center: http://mcc.sa.ucsb.edu/Calendar/index
UCSB's MultiCultural Center offers a variety of programming every quarter, often for free or at discounted prices. Events range from art exhibits to film screenings to live performances.
Diversity, Equity, & Academic Policy
This division of UCSB sometimes conducts its own diversity events: http://diversity.evc.ucsb.edu/events/