Hienuki District, Iwate
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By the time of founding, the district was co-teminous with the city of Hanamaki.
Until the day before the dissolution (December 31, 2005), there were only two towns left in the district.
On January 1, 2006, the towns of Ishidoriya and Ōhasama, and the town of Tōwa (from Waga District) were merged into the expanded city of Hanamaki. Therefore, Hienuki District was dissolved as a result of this merger.
- April 1, 1889 - Due to the municipal status enforcement, the following municipalities were formed. (3 towns, 13 villages)
- June 1, 1923 - The town of Hanamakikawaguchi and the village of Neko were merged to form the town of Hanamakikawaguchi. (3 towns, 12 villages)
- April 1, 1928 - The village of Kōchi was elevated to town status and renamed to become the town of Ishidoriya. (4 towns, 11 villages)
- April 10, 1929 - The towns of Hanamaki and Hanamakikawaguchi were merged to create the town of Hanamaki. (3 towns, 11 villages)
- April 1, 1954 - The town of Hanamaki, and the villages of Yumoto, Yuguchi, Yasawa, Ōta and Miyanome were merged to create the city of Hanamaki. (2 towns, 6 villages)
- January 1, 1955 - The town of Ōhasama, and the villages of Uchikawame, Sotokawame and Kamegamori merged to create the town of Ōhasama. (2 towns, 3 villages)
- April 1, 1955 - The town of Ishidoriya, and the villages of Niibori, Yaehata and Hachiman were merged to create the town of Ishidoriya. (2 towns)
- January 1, 2006 - The towns of Ōhasama and Ishidoriya, and the town of Tōwa (from Waga District) were merged into the expanded city of Hanamaki. Hienuki District was dissolved as a result of this merger.
|明治22年以前||明治22年4月1日||明治22年 - 大正15年||昭和1年 - 昭和19年||昭和20年 - 昭和63年||平成1年 - 現在||現在|