Complex sentence: On November 5,2013, de Blasio won the mayoral election by a landslide, receiving over 73% of the vote and will become the first Democratic mayor of the city since 1994.
Split into simpler sentences: On November 5,2013, de Blasio won the mayoral election by a landslide, receiving over 73% of the vote. He is the first Democratic mayor of the city since 1994.