The climate changed from warm to cold in the 3rd. Knights in shining armor, swordplay, jousting, intrigue, and superstition–who doesn't love a good story from the Middle Ages? A fan favorite. Cyprus officially the Republic of Cyprus, is an island country located in the eastern Mediterranean Sea, north of the Sinai Peninsula, south of the. . The Dark Ages were 'dark' in the Western Europe because of three reasons: * Climate change. Cyprus officially the Republic of Cyprus, is an island country located in the eastern Mediterranean Sea, north of the Sinai Peninsula, south of the.