Timeline

• April 1, 1889 (23 villages)
  • Due to the city status
    City status
    City status is the national recognition of an area as a city. Specifically, "city status" may refer to:*City rights in the Low Countries*City status in Ireland*City status in the United Kingdom*City status in the United States of America...
    
     enforcement, the city of Saga
    Saga, Saga
    is the capital of Saga Prefecture, located on the island of Kyūshū, Japan.Saga was the capital of Saga Domain in the Edo period, and largest city of former Hizen Province....
    
     was formed.
  • Due to the municipal status enforcement, 23 villages were formed within Saga District.
• June 6, 1899 - The village of Kose "古瀬村" renamed to the village of Kose "巨勢村".
• October 1, 1922 - The village of Kōno merged into the city of Saga. (22 villages)
• April 1, 1953 - The village of Minamikawasoe gained town status to become the town of Minamikawasoe. (1 town, 21 villages)
• March 31, 1954 - The villages of Hyōgo, Kose, Nishiyoka, Kase, and Takagise merged into the city of Saga. (1 town, 16 villages)
• October 1, 1954 - The villages of Kitakawasoe, Honjō, Nabeshima, Kinryū, and Kuboizumi merged into the city of Saga. (1 town, 11 villages)
• March 1, 1955 - The villages of Higashikawasoe and Shinkita merged to form the town of Morodomi
  Morodomi, Saga
  was a town located in Saga District, Saga, Japan.As of 2003, the town had an estimated population of 11,984 and a density of 997.00 persons per km². The total area was 12.02 km²....
  
  . (2 towns, 9 villages)
• April 1, 1955 - The town of Minamikawasoe and the villages of Nakakawasoe and Ōdakuma to form the town of Kawasoe
  Kawasoe, Saga
  was a town located in Saga District, Saga, Japan.On October 1, 2007 Kawasoe, along with the towns of Higashiyoka and Kubota, all from Saga District, was merged into the expanded city of Saga....
  
  . (2 towns, 7 villages)
• April 16, 1955 - The villages of Kasuga, Kawakami, and Matsuume merged to form the village of Yamato. (2 towns, 5 villages)
• September 30, 1956 (2 towns, 4 villages)
  • The village of Nishikawasoe merged into the town of Kawasoe.
  • The village of Ozeki merged with the villages of Nanzan and Hokuzan from Ogi District
    Ogi District, Saga
    Ogi was a district located in Saga Prefecture, Japan.As of 2003, the district had an estimated population of 45,910 and a density of 478.98 persons per km²...
    
     to form the village of Fuji.
• June 1, 1958 - Parts of the village of Fuji (Hattabaru) merged into the village of Yamato.
• January 1, 1959 - The village of Yamato gained town status to become the town of Yamato
  Yamato, Saga
  was a town located in Saga District, Saga, Japan.As of 2003, the town had an estimated population of 22,105 and a density of 398.86 persons per km²...
  
  . (3 towns, 3 villages)
• October 1, 1962 - The town of Kubota absorbed parts of the village of Hishikari in Ogi District.
• October 1, 1966 (5 towns, 1 village)
  • The village of Higashiyoka gained town status to become the town of Higashiyoka
    Higashiyoka, Saga
    was a town located in Saga District, Saga, Japan.On October 1, 2007 Higashiyoka, along with the towns of Kawasoe and Kubota, all from Saga District, was merged into the expanded city of Saga....
    
    .
  • The village of Fuji gained town status to become the town of Fuji
    Fuji, Saga
    was a town located in Saga District, Saga, Japan.As of 2005, the town had an estimated population of 4,797 and a density of 33.48 persons per km2. The total area was 143.25 km2.The status of Fuji was changed from a village to a town on October 1, 1966....
    
    .
• April 1, 1967 - The village of Kubota gained town status to become the town of Kubota
  Kubota, Saga
  was a town located in Saga District, Saga, Japan.On October 1, 2007 Kubota, along with the towns of Higashiyoka and Kawasoe, all from Saga District, was merged into the expanded city of Saga....
  
  . (6 towns)
• April 1, 1996 - Parts of the town of Yamato (Matsuse) merged into the town of Fuji.
• October 1, 2005 - The towns of Fuji, Morodomi, and Yamato merged with the city of Saga and the village of Mitsuse
  Mitsuse, Saga
  was a village located in Kanzaki District, Saga, Japan.As of 2003, the village had an estimated population of 1,578 and a density of 38.77 persons per km²...
  
   from Kanzaki District
  Kanzaki District, Saga
  is a district located in Saga Prefecture, Japan.As of February 1, 2009 the district has an estimated population of 16,308 and a density of 371 persons per km²...
  
  to form the city of Saga. (3 towns)
• October 1, 2007 - The towns of Kawasoe, Kubota, and Higashiyoka merged into the city of Saga, the district dissolved.