Complex sentence: The synod was opened on March 1 by Nils Göransson Gyllenstierna and on the follow day Nicolaus Olai Bothniensis, a professor of theology at the Uppsala University, was elected chairman.
Split into simpler sentences: The synod was opened on March 1 by Nils Göransson Gyllenstierna. The follow day Nicolaus Olai Bothniensis, a professor of theology at the Uppsala University, was elected chairman.