Slipknot’s Knotfest Japan 2020 will take place on March 20-21, 2020 at the Makuhari Messe near Tokyo, and will feature Slipknot headlining on both nights. Anthrax will also appear on March 20 while Korn will perform on March 21. The first-ever Knotfest took place seven years ago in Council Bluffs, Iowa and moved two years later to San Bernardino, California. In 2016, Slipknot and Ozzy Osbourne joined forces for the first-ever Ozzfest Meets Knotfest, featuring both acts performing headlining sets on different days.