Ichinoseki Iwate - Municipal Timeline

Municipal Timeline

• April 1, 1948 - The city of Ichinoseki (1st generation) was founded by merging with 2 towns and 2 villages.
• January 1, 1955 - The city of Ichinoseki (1st generation) merged with the villages of Genbi, Hagisho, Maikawa, and Yasakae to form the new city of Ichinoseki (2nd generation)
• September 1, 1956 - Due to the city limit changes, the city absorbed parts of the town Hiraizumi.
• May 1, 1964 - Due to the city limit changes, the city absorbed parts of the town Hiraizumi for the second time.
• 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 former city of Ichinoseki (2nd generation) in a major creation of the new city (3rd generation). This creation approximately doubled the old city's population and nearly tripled its size.
• September 26, 2011 - the city merged with the town of Fujisawa, also from Higashiiwai District. Higashiiwai District dissolved.