Complex sentence: The 2015 procession took place on 7 June and Bishop Damian Zimon presided; in attendance was Marek Jurek, a former marshal of the sejm as well as a candidate for the polish presidential election, 2010.
Split into simpler sentences: The 2015 procession took place on 7 June 2015 and Bishop Damian Zimon presided over it. In attendance was Marek Jurek, a former marshal of the sejm as well as a candidate for the polish presidential election, 2010.