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.
North Charleston Coliseum The North Charleston Coliseum is a 14,000-seat multi-purpose arena in North Charleston, South Carolina. It is part of the North Charleston Convention Center Complex, which also includes a Performing Arts Center, and is owned by the City of North Charleston and managed by SMG. The Coliseum was built in 1993 (the Performing Arts Center and Convention Center opened in 1999), and is located on the access road to the Charleston International Airport.