- Tsukuba District, Ibaraki
Tsukuba (筑波郡; -gun) was a district located in Ibaraki,
Japan .The district had two towns before the dissolution.
* Ina
* YawaraOn March 27, 2006, the remaining two municipalities merged to form the new city of Tsukubamirai and the district dissolved.
post-WWII Timeline
*
April 1 ,1953 - The village of Oho gained town status. (4 towns, 22 villages)
*November 3 ,1953 - The village of Kamisato gained town staus to become the town of Kamisato. (5 towns, 21 villages)
*June 1 ,1954 - The village of Takamichiso merged into the town of Shimotsuna from Makabe District. The town of Shimotsuna gained city status at the same day. (5 towns, 20 villages)
*July 1 ,1954 - The villages of Mishima, Taniita, Toyo, and Kohari merged, forming the village of Ina. (5 towns, 17 villages)
*February 1 ,1955 - The towns of Tsukuba and Hojo, and the villages of Tamizuyama, Tai, and Oda merged, forming the town of Tsukuba. (4 towns, 14 villages)
*February 21 ,1955 - The village of Kuga split and merged into the village of Ina and the town of Fujishiro in Kitasouma District. (4 towns, 13 villages)
*March 1 ,1955 - The villages of Yahara, Towa, and Fukuoka merged with the village of Kokinu from Kitasouma District, forming the village of Yawara. (4 towns, 11 villages)
*March 31 ,1955 (4 towns, 7 villages)
** The town of Yatabe and the villages of Onogawa, Katsuragi, Shimana, and parts of Mase merged, forming the town of Yatabe.
** The remaining parts of the village of Mase merged into the city of Mitsukaido.
*April 1 ,1955 (4 towns, 6 villages)
** The town of Kamisato and parts of the village of Asahi merged, forming the town of Toyosato.
** The town of Oho and the remaining parts of the village of Asahi merged, forming the town of Oho.
*June 10 ,1955 - The village of Itabashi merged into the village of Ina. (4 towns, 5 villages)
*September 30 ,1956 (4 towns, 3 villages)
** The village of Yoshinuma split and merged into the towns of Toyosato and Oho.
** The village of Sakuoka merged into the town of Tsukuba.
*July 1 ,1957 - The village of Sugama merged into the town of Tsukuba. (4 towns, 2 villages)
*April 1 ,1985 - The village of Ina gained town status. (5 towns, 1 village)
*November 30 ,1987 - The towns of Yatabe, Toyosato, and Oho merged with the village of Sakura from Niihari District to form the city of Tsukuba. (2 towns, 1 village)
*January 31 ,1988 - The town of Tsukuba merged into the city of Tsukuba. (1 town, 1 village)
*March 27 ,2006 - The town of Ina and the village of Yawara merged, forming the city of Tsukubamirai. Tsukuba District was dissolved as a result.
Wikimedia Foundation. 2010.