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| settlement_type= Designated city | image_skyline= Niigata montage.jpg | imagesize= | image_caption= From top left: NEXT21, Bandai Bridge, Toki Messe, Niigata Stadium, Central Niigata and Shinano River in the night, Rainbow Tower | image_flag= Flag of Niigata, Niigata.svg | image_map= Niigata in Niigata Prefecture Ja.svg | lat_deg= 37 | lat_min= 54 | lat_sec= 58 | lon_deg= 139 | lon_min= 2 | lon_sec= 11 | region= Chūbu (Kōshin'etsu) (Hokuriku) | prefecture= Niigata Prefecture | district= | mayor= Akira Shinoda | area_km2= 726.09 | population= 804,193 | population_as_of= January 31, 2012 | density_km2= 1107.57 | tree= Willow | flower= Tulip | bird= | city_hall_address= 1-602-1 Gakkōchō-dōri, Chūō-ku, Niigata-shi, Niigata-ken | city_hall_postal_code= 951-8550 | website= }} is the capital and the most populous city of Niigata Prefecture, Japan. It lies on the northwest coast of Honshu, the largest island of Japan, in the Chūbu region and faces the Sea of Japan and Sado Island. As of January 31, 2012, the city has an estimated population of 804,193 and a population density of 1,107.57 persons per km². The total area is 726.09 km². With a long history as a port town, Niigata became a free port following the Meiji Restoration. Niigata's city government was established in 1889. Mergers with nearby municipalities in 2005 allowed the city's population to jump to 810,000. The annexation of the surrounding area has also given the city the greatest rice paddy field acreage in Japan. On April 1, 2007, it became the first government-designated city on the Japan Sea coast of Honshu. ==History== People have inhabited the Niigata area since the Jōmon period, though much of the current land was still beneath the sea at the time. According to the Nihon Shoki, a fortress was built in the area in AD 647. In the 16th century, a port called Niigata was established at the mouth of the Shinano River, while a port town with the name Nuttari developed at the mouth of the Agano River. The area prospered beneath the rule of Uesugi Kenshin during the Sengoku Period. A system of canals was constructed on the main island of Niigata in the 17th century. During this period, the courses of the Shinano and Agano rivers gradually changed until they poured into the Sea of Japan at the same location. As a result, Niigata prospered as a port town, serving as a port of call for Japanese trade ships traversing the Sea of Japan. The Matsugasaki Canal was constructed in 1730 to drain the Agano River area, but in 1731, flooding destroyed the canal and caused it to become the main current of the Agano River. As a result, the volume of water flowing into the port of Niigata decreased, which in turn allowed land reclamation efforts and the development of new rice fields to proceed. In 1858, Niigata was designated as one of the five ports to be opened for international trade in the Japan–U.S. Treaty of Amity and Commerce. However, the shallow water level in the port delayed the actual opening to foreign ships until 1869. The port also served as a valuable base for fishermen who roamed as far north as the Kamchatka Peninsula to catch salmon and other fish. In 1886, the first Bandai Bridge was built across the Shinano River to connect the settlements of Niigata on the east and Nuttari on the west. Niigata annexed Nuttari in 1914. During World War II, Niigata's strategic location between the capital of Tokyo and the Sea of Japan made it a key point for the transfer of settlers and military personnel to the Asian continent, including Manchukuo. In 1945, near the end of the war, Niigata was one of four cities, together with Hiroshima, Kokura, and Nagasaki, picked as targets for the atomic bomb if Japan did not surrender. The governor of Niigata Prefecture ordered the people to evacuate as rumors of an impending bombing spread, and the city was completely deserted for days. Poor weather conditions and its distance from B-29 bases in the Mariana Islands meant that it was removed from the list of targets during deliberations; Nagasaki was bombed instead. In 1950, construction of Niigata Station was completed, extending the downtown area from Bandai Bridge. A devastating fire in 1955 destroyed much of the downtown area, but eventually the city recovered. In 1964, the old canals that flowed throughout the city were filled in to make way for more roads. On June 16, 1964, at 13:23 Japan Standard Time an earthquake of 7.5 Richter scale struck the city, killing 29 people and causing large-scale property damage, with 1,960 totally destroyed buildings, 6,640 partially destroyed buildings, and 15,298 severely inundated by liquefaction. In 1965, the Agano River running through Niigata was polluted with methylmercury from the chemical plant of the Showa Electrical Company. Over 690 people exhibited symptoms of Minamata disease and the outbreak became known as Niigata Minamata disease. In 1982, Shinkansen (bullet train) service on the Jōetsu Shinkansen line began between Niigata and Omiya, with service to Ueno added in 1985. The line was extended all the way to Tokyo in 1991. Big Swan Stadium in Niigata City hosted three games during the 2002 FIFA World Cup. The 2004 Chūetsu earthquake did not cause any significant damage in Niigata City itself, allowing the city to work as a relief base. The size and the population of Niigata city increased over the four-year period between 2001 and 2005, due to a series of municipal mergers. On April 1, 2007, Niigata City became first city on the west coast of Honshu to become a government-designated city. In July 2007, the Chūetsu offshore earthquake, measuring 6.9 on Richter scale, rocked Niigata Prefecture. Though the earthquake was felt in the city, there was little damage, which allowed Niigata City to provide aid to the devastated areas. In May 2008, the city hosted the 2008 G8 Labor Ministers Meeting. On March 12, 2011, several hours after the massive 9.0 Tohoku earthquake struck off the east coast of Honshu, Niigata and Nagano Prefectures experienced an estimated magnitude 6.6 earthquake. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Niigata, Niigata」の詳細全文を読む スポンサード リンク
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