Complex sentence: The Plains of Abraham is an historic area within The Battlefields Park in Quebec City, Quebec, that was originally grazing land, but became famous as the site of the Battle of the Plains of Abraham, which took place on 13 September 1759.
Split into simpler sentences: The Plains of Abraham is an historic area within The Battlefields Park in Quebec City, Canada. Originally grazing land, the area became famous as the site of the Battle of the Plains of Abraham, which took place on 13 September 1759.