X Games XV It took place at a multi-purpose sports arena that opened on what date?
X Games XV: X Games XV was the fifteenth annual X Games extreme sports event. X Games XV:  It took place from July 30 - August 2, 2009, in Los Angeles, California, at the Staples Center and the Home Depot Center. Staples Center: Staples Center, officially stylized as STAPLES Center, is a multi-purpose sports arena in Downtown Los Angeles.
i don't know