History

• 1878 — The Uwa District
  Uwa District, Ehime
  was a district in Iyo Province , Japan.-History:*866 - Uwa District divided into Uwa and Kita Districts.*On February 25, 1876, Okinoshima, Himejima, and Ugurujima Islands were sent to Hata District in Tosa Province...
  
   was split up by Meiji era land reform
  Land reform
  [Image:Jakarta farmers protest23.jpg|300px|thumb|right|Farmers protesting for Land Reform in Indonesia]Land reform involves the changing of laws, regulations or customs regarding land ownership. Land reform may consist of a government-initiated or government-backed property redistribution,...
  
  s. The Higashiuwa District was thus born. (1 town, 21 villages)
• January 1, 1914 — Parts of the village of Tanisuji merged into the village of No.
• January 1, 1922 — The village of No gained town status to become the town of Nomura. (2 towns, 20 villages)
• February 11, 1922 — The village of Kamiuwa merged into the town of Uwa. (2 towns, 19 villages)
• December 1, 1929 — The villages of Kasagi and Yamada merged to form the village of Iwaki. (2 towns, 18 villages)
• April 1, 1943, parts of the village of Ukena from Kamiukena District
  Kamiukena District, Ehime
  The is a district located in Ehime Prefecture, Japan. As of 2004 — The estimated population is 11,222 with a total area of 583.66 km².It consists of one town.*Kumakōgen-History:...
  
   merged into the village of Sōkawa.
• March 31, 1954 — The villages of Yusukawa, Doi, Takagawa, and Uonashi merged to form the village of Kurosegawa. (2 towns, 15 villages)
• March 31, 1954 — The villages of Tada, Nakagawa, Iwaki, Shimouwa, and Tanosuji merged into the town of Uwa. (2 towns, 10 villages)
• February 11, 1955 — The villages of Nakasuji, Tanisuji, Sōkawa, and parts of Kaibuki and Yokobayashi merged into the town of Nomura. (2 towns, 7 villages)
• February 11, 1955 — Parts of the villages of Kaibuki and Yokobayashi merged into the village of Hijikawa in Kita District
  Kita District, Ehime
  The is a district located in Ehime Prefecture, Japan. As of 2005, the estimated population is 20,782 with a total area is 299.50 km².The district includes one town.*Uchiko-Origin of name:...
  
   (now the city of Ōzu
  Ozu, Ehime
  is a city located in Ehime, Japan.On January 11, 2005 Ōzu absorbed the towns of Hijikawa and Nagahama, and the village of Kawabe, all from Kita District, to form the new and expanded city of Ōzu....
  
  ). (2 towns, 5 villages)
• March 31, 1955 — The villages of Tawarazu and Karie merged to form the village of Toyoumi. (2 towns, 4 villages)
• March 31, 1955 — The village of Tamatsu merged into the town of Yoshida
  Yoshida, Ehime
  was a town located in Kitauwa District, Ehime, Japan.On August 1, 2005 Yoshida, along with the towns of Mima and Tsushima, all from Kitauwa District, was merged into the expanded city of Uwajima....
  
   from Kitauwa District
  Kitauwa District, Ehime
  The is a district located in Ehime Prefecture, Japan. As of 2004, the district has an estimated population of 17,299. The total area is 340.37 km².The district has two towns:*Kihoku*Matsuno-History:...
  
   (now the city of Uwajima
  Uwajima, Ehime
  is a city located in Ehime, Japan. In 1595, what is now Uwajima was known as Itajima village. Takatora Tohdo became lord of the Uwa region, and ordered the restoration of Marugushi Castle...
  
  ). (2 towns, 3 villages)
• January 1, 1958 — The villages of Toyoumi and Takayama merged to form the town of Akehama. (3 towns, 1 village)
• August 1, 1958, parts of the city of Ōzu
  Ozu, Ehime
  is a city located in Ehime, Japan.On January 11, 2005 Ōzu absorbed the towns of Hijikawa and Nagahama, and the village of Kawabe, all from Kita District, to form the new and expanded city of Ōzu....
  
   merged into the town of Uwa.
• April 1, 1959 — The village of Kurosegawa was renamed and gained town status to become the town of Shirokawa. (4 towns)
• April 1, 2004 — The towns of Uwa
  Uwa, Ehime
  was a town located in Higashiuwa District, Ehime, Japan.On April 1, 2004 Uwa was merged with the towns of Akehama, Nomura and Shirokawa, all from Higashiuwa District, and the town of Mikame, from Nishiuwa District, to form the new city of Seiyo....
  
  , Nomura
  Nomura, Ehime
  was a town located in Higashiuwa District, Ehime, Japan.On April 1, 2004 Nomura was merged with the towns of Akehama, Shirokawa and Uwa, all from Higashiuwa District, and the town of Mikame, from Nishiuwa District, to form the new city of Seiyo....
  
  , Akehama
  Akehama, Ehime
  was a town located in Higashiuwa District, Ehime, Japan.On April 1, 2004 Akehama was merged with the towns of Nomura, Shirokawa and Uwa, all from Higashiuwa District, and the town of Mikame, from Nishiuwa District, to form the new city of Seiyo....
  
  , and Shirokawa
  Shirokawa, Ehime
  was a town located in Higashiuwa District, Ehime, Japan.On April 1, 2004 Shirokawa was merged with the towns of Akehama, Nomura and Uwa, all from Higashiuwa District, and the town of Mikame, from Nishiuwa District, to form the new city of Seiyo....
  
   merged with the town of Mikame
  Mikame, Ehime
  was a town located in Nishiuwa District, Ehime, Japan.On April 1, 2004 Mikame was merged with the towns of Akehama, Nomura, Shirokawa and Uwa, all from Higashiuwa District, to form the new city of Seiyo....
  
   from Nishiuwa District
  Nishiuwa District, Ehime
  The is a district located in Ehime Prefecture. As of 2007 — The district has an estimated population of 12,304 with a total area of 94.34 km².The district consists of one town.*Ikata- History :...
  
   to form the city of Seiyo
  Seiyo, Ehime
  is a city located in Ehime, Japan.The city was formed on April 1, 2004 from the merger of the towns of Akehama, Nomura, Shirokawa and Uwa, all from Higashiuwa District, and the town of Mikame, from Nishiuwa District.-Kannon Spring Water:...
  
  . The Higashiuwa District was dissolved as a result.