When did the resort where UFC Fight Night: Namajunas vs. VanZant was held open?
Cosmopolitan of Las Vegas: The Cosmopolitan of Las Vegas (commonly referred to simply as The Cosmopolitan or The Cosmo) is a luxury resort casino and hotel on the Las Vegas Strip in Paradise, Nevada. Cosmopolitan of Las Vegas:  The resort opened on December 15, 2010, and is located just south of the Bellagio on the west side of Las Vegas Boulevard.
i don't know