System Of A Down Announce Headlining Dates

System of a Down have added a handful of headlining dates for May, they are:

May 10th in Edmonton, AL @ Rexall Place
May 12th in Vancouver, BC @ Rogers Arena
May 13th in Seattle, WA @ Key Arena
May 15th in Mountain View, CA @ Shoreline Amphitheatre
May 18th in Denver, CO @ Comfort Dental Amphitheatre
May 19th in Albuquerque, NM @ Journal Pavilion
May 22nd in Las Vegas, NV @ The Pear