Complex sentence: In 2011 Progress was founded by Jim Smallman and Jon Briley, who also announced the creation of thier championship the Progress Championsip where held its first event on March 25,2012.
Split into simpler sentences: In 2011 Progress was founded by Jim Smallman and Jon Briley, who also announced the creation of their championship the Progress Championship. The company held their first event on March 25,2012.