The arena that hosted the 2017 "Billboard" Music Awards opened  on what date?
2017 Billboard Music Awards The 2017 "Billboard" Music Awards was held at the T-Mobile Arena in Las Vegas on May 21, 2017. The list of nominees was announced on April 10, 2017. Non-televised awards were announced on "Billboard" website the same day as the main ceremony.
Ziggo Dome Ziggo Dome is a 17,000-seat multi-use indoor arena in Amsterdam, Netherlands. It is named after the Dutch cable TV provider Ziggo. In 2014, the Ziggo Dome Awards were announced, recognizing artists who performed at the arena.