Don Broco and Sleeping With Sirens have announced a co-headlining European tour. The trek will take place next year. Tour Dates: 02/20 Milan, ITA – Magazzini Generali 02/21 Frankfurt, GER – Zoom Frankfurt 02/22 Hamburg, GER – Fabrik 02/23 Berlin, GER – Huxleys Neue Welt 02/25 Kobenhavn, DEN – Vega 02/26 Oslo, NOR – Rockefeller…