The name "Kita" is first found in the 901AD text Nihon Sandai Jitsuroku. The Kita district originally formed the northern part of the Uwa District; kita means "north", though nonstandard kanji are used in this case.
History
November 8, 866 — Northern Uwa District broke off and formed Kita District.
February 1899 — The village of Hirano from Nishiuwa District was reassigned to the Kita District.
April 1, 1908 — The villages of Taira and Kita merged to become the village of Ōzu.
September 30, 1908 — Parts of the village of Shimonada in Iyo District merged into the village of Mitsuho.
April 1, 1909
*The village of Tadokoro merged into the village of Yanagisawa.
*The villages of Yamatokasa and Okuna merged to form the village of Kawabe.
May 21, 1920 — The village of Ikazaki gained town status to become the town of Ikazaki.
November 1, 1921 — The villages of Ōnaru and Kurakawa merged to become the village of Ōkawa.
January 1, 1922 — The villages of Shiba and Takigawa merged to become the village of Shirataki.
April 1, 1922
*The villages of Toyoshige and Aioi merged to become the village of Yamato.
*The village of Kitayama merged into the village of Niiya.
August 10, 1925 — Parts of the village of Minamikume merged into the town of Ōzu.
December 26, 1929 — The village of Murasaki split and merged into the villages of Gojō, Ōse, and Tenjin.
January 1, 1934 — The village of Kume merged into the town of Ōzu.
April 1, 1943 — The villages of Kawabe, Ōtani, Uwagawa, and parts of the village of Ukena from Kamiukena District, merged to form the village of Hijikawa.
April 1, 1948 — Parts of the village of Hikjikawa merged into the village of Ōkawa.
January 1, 1951 — The village of Hijikawa broke up into the villages of Hijikawa and Kawabe.
September 1, 1954
*The villages of Hirano, Awazu, Miyoshi, Kamisukai, the town of Ōzu, and the villages of Minamikume, Sugeta, Niiya, Yanagisawa, and Ōkawa merged to form the city of Ōzu.
*The villages of Tenjin, and Misogi merged into the town of Ikazaki.
January 1, 1955
*The village of Kitanada, the town of Nagahama, and the villages of Kushū, Izumi, Yamato, and Shirataki merged to become the town of Nagahama.
*The villages of Mitsuho, Tatsukawa, Gojō, and Ōse merged into the town of Uchiko.
February 11, 1955 — Parts of the village of Kaibuki from Higashiuwa District and parts of the village of Yokobayashi from Higashiuwa District merged into the village of Hijikawa.
November 3, 1959 — The village of Hijikawa gained town status to become the town of Hijikawa.
January 1, 2005 — The towns of Ikazaki, and Oda from Kamiukena District, merged into the town of Uchiko.
January 11, 2005 — The towns of Hijikawa and Nagahama, and the village of Kawabe merged into the expanded city of Ōzu.
