Complex sentence: Although a war between humans and Skynet's forces did not occur on August 29,1997 as foretold, John still fears it; he rejects his fate as humanity's savior and hides from Skynet.
Split into simpler sentences: Although a war between humans and Skynet's forces did not occur on August 29,1997, as foretold, John still fears it. He rejects his fate as humanity's savior and hides from Skynet.