Well Dagon the Razor supposedly tricked the Falmer into starting the war.
http://www.imperial-library.info/content/seven-fights-aldudagga
Herkel Shield-Fed now looked at Dagon cockeyed and said, "Wait, it was you who sent that horde of elves who, though pierced to their five-thousandth rank, would not be stopped?" to which Dagon responded, "Of course! Though it was easy, as they hated you anyway, but yes, yes, it was I who stoked the fire in grim dreams and mirrors, which has only now saw fit to stop burning!