Ichinoseki, Iwate
September 20, 2005 - the towns of Daitō, Higashiyama, and Senmaya, and the villages of Kawasaki and Murone (all from Higashiiwai District) and the town of Hanaizumi (from Nishiiwai District) merged with the old city of Ichinoseki and approximately doubled the old city's population and nearly tripled its size.