Complex sentence: Galeries d'Anjou was the largest mall on the island of Montreal from 1968 to 1985, but today has been surpassed by Fairview Pointe-Claire and Place Versailles.
Split into simpler sentences: Galeries d'Anjou was the largest mall on the island of Montreal from 1968 to 1985. Today it has been surpassed by Fairview Pointe-Claire and Place Versailles.