Complex sentence: Gudrun Katrin was popular in Iceland, and her elegant appearance is without a doubt one of the main reasons her husband Olafur Ragnar Grimsson, was elected president of Iceland in June 1996, she charmed the nation right from the start of their campaign.
Split into simpler sentences: Gudrun Katrin was popular in Iceland, and her elegant appearance is without a doubt one of the main reasons her husband Olafur Ragnar Grimsson, was elected president of Iceland in June 1996. She charmed the nation right from the start of their campaign.