The tournament began in 2008 with the 2008 World Mixed Doubles Curling Championship. Switzerland's mixed doubles team of Irene Schori and Toni Müller dominated the 2008 and 2009 championships and appeared in the first three worlds. At the 2010 Worlds, Russia won its first ever world curling title by defeating New Zealand, also first-time curling …
From: https://en.wikipedia.org/wiki/World_Mixed_Doubles_Curling_Championship