Complex sentence: It was decided to omit the circumflex ("accent circonflexe ") in the names of the winter months, so the month was named"Pluviose " instead of"Pluviôse".
Split into simpler sentences: It was decided to omit the circumflex ("accent circonflexe ") in the names of the winter months. So the month was named"Pluviose " instead of"Pluviôse".