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History of Kohoku Ward

Last updated on March 15, 2024.

Kohoku Ward was born at the same time as Totsuka Ward in April 1939. At that time, Kohoku Ward was a combined area of Kohoku Ward, Midori Ward, Aoba Ward and Tsuzuki Ward  , with a population of about 50,000.

In 1969, Midori Ward (now part of Midori Ward, Aoba Ward and Tsuzuki Ward  ) was divided, and in November 1994, the northwestern part of the ward was incorporated into Tsuzuki Ward   to form the current Kohoku Ward.

With the opening of the current JR Yokohama Line in 1908 and the current Toukyu Toyoko Line in 1926, Kohoku Ward became the first inland area of Yokohama to become urbanized. In the early Showa era, Tsunashima Onsen was bustling, Keio University Yoshina moved to Hiyoshi, and residential land development was seen around Toukyu Toyoko Line stations.

From the early post-war period to the period of high economic growth, the development of residential land in farmland and forest areas and the conversion of land use from farmland to factories and warehouses progressed. In particular, factories have been concentrated around the Tsurumi River, making it a major base for inland industry in Yokohama City.

In 1964, when Shin-Yokohama Station opened along with the opening of the Tokaido Shinkansen, a land readjustment project for the northern part of Shin-Yokohama Station was started, and it became the second base in Yokohama City after Yokohama Station, Kannai and Kangai-District.

In 1985, high-speed railway line 3 connecting Yokohama and Shin-Yokohama was opened, and in 1993 it was further extended to Azamino (Aoba Ward), and Shin-Yokohama Station (currently Kita Shin-Yokohama Station: renamed in August 1999) and Niwa Station became established. Also, in other semi-industrial areas, the transition to housing is progressing rapidly.

The area including small desks and Niiba around Shin-Yokohama Station is positioned as the center of Shin-Yokohama in the Yokohama City's comprehensive plan "Yumehama 2010 Plan", and the development of wide-area facilities and infrastructure is being planned. One of them is the opening of the Yokohama International Stadium (now Nissan Stadium) in 1998.

History of Kohoku Ward
AgesChristian eraYearYearSirPopulationThe world
900s   The names of townships such as Takada, Tachibana-gun and Shioka, Kuraki-gun are written in "Wamyoruijusho". Nara-Heian period
1200s   Samurai such as Shioka and Tsunashima of Musashi Country appeared in "Azuma Kagami Kagami" Kamakura period
14001405Oei era12"Siansho" contains a letter of intent when the bridge memorial service was held in Tsunashima-go. Muromachi period
1476Civilization8Small desk battle (Michio Ota [Otadokan] captures Kodesk Castle)  
1486 18It is written in "Kaikoku Zaki" that you will rent an inn in Komabayashi.  
18001834Tenpo era5At this time, Hiroshige Ando stayed at Senya-ji Temple in a small desk. 8 Sugito "Yamazakura Kotori Color Paintings" are left.  
1859  Yokohama Port Opening Kaei 6 (1853) arrived at Kurofune Uraga
1871Meiji4It is located in Kanagawa Prefecture due to the abolished feudal prefecture  
1889 22Municipal system is enforced in Yokohama. Koseki Village, Otsuna Village, Hiyoshi Village, etc. are organized.  
19001904 37Peach cultivation in Tsunashima begins  
1908 41Facility between Yokohama and Hachioji Yokohama Railway (the predecessor of the Yokohama Line) opened  
19101912TaishoSource:The Tsunashima Orchard Art Association is established  
1914 3Radium mineral springs out in Tsunashima, Tarumachi. World War I (~ 1918)
1917 6The Yokohama Line will be nationalized  
19201923 12Great Kanto Earthquake  
1926 15Between Maruko Tama River and Kanagawa Tokyo Yokohama Electric Railway Kanagawa Line (the predecessor of Toukyu Toyoko Line) opened
Opening of Yokohama Railway Kikuna Station
  
1927Showa2Ward administration enforcement The 5 wards of Tsurumi, Kanagawa, Hodogaya, Naka and Isoko are born in Yokohama City
Shinohara-cho, Kikuna-cho, Soyado-cho, Taio-cho, Osone-cho, Tarumachi, Minami-Tsunashima-cho, Kita-Tsunashima-cho,
Shioka-cho, Kishinecho, Toriyamacho and Kozukuecho were transferred to Kanagawa Ward.
Tokyo Yokohama Electric Railway Tsunashima Hot Spring Bath opened
  
1928 3Opened a natural skating rink in Ozone (it became Okurayama skating rink in 1936)  
19301931 6Tokyo Yokohama Electric Railway and Okurayama Umebayashi Corporation Manchuria Incident
1932 7Opening of the entire Toyoko Line between Shibuya and Sakuragicho
Construction of Okurayama Psychiatry Research Institute
 5.15 Cases
1934 9Relocated to Keio University Preliminary School, Hiyoshi 2.26 in 1936
1938 13Heavy rain destroyed the embankment of Tsurumi River and damaged 1937 Rohzo Bridge Incident [Rokkokyojiken]
1939 14The birth of Kohoku Ward (approximately one-third of the entire city area)51,800Nomonhan 5/11 incident
19401941 16Direct operation of the Yokohama Line (Higashikanagawa to Hachioji) Outbreak of Pacific War
1942 17Completed relocation to the ward office Kikuna
Opening of Kikuna Girls' School
  
1944 19Naval Headquarters stationed at Keio University Hiyoshi Campus
Opened Tsunashima Park as an air defense green space
  
1945 20U.S. forces stationed at Hiyoshi Campus of Keio University86,314Great Yokohama Air Raid
Hiroshima and Nagasaki Atomic Bombs
End of the war
1946 21Established the ward election committee for the first time, appointed a member of the public welfare committee Enforcement of the Constitution of Japan
1947 22Municipal bus opening for the first time in the city
Okurayama Natural Skating Rink Closed
  
1948 23Established Kohoku Agricultural Cooperative  
1949 24Return of Keio University Hiyoshi Campus
Established Kohoku Public Health Center
 Established the Tokyo Stock Exchange
Single exchange rate (¥360)
19501950 25Established the Consumer Stability Center (currently Health and Welfare Center)93,421 
1951 26Opening of Kohoku fire deparment
Japan National Council of Social Welfare established the Agricultural Committee
 Signing of the Japan-U.S. Security Ordinance
The population of Yokohama exceeds 1 million
1953 28  Start of TV broadcasting
1954 29Discover Yayoi pottery in Shinohara-cho The first Japanese airline to launch international flights
Bikini Island Hydrogen Bomb Test
1955 30Kishine Base U.S. military barracks opened111,095 
1956 31  The Economic White Paper "No longer after World War II"
Yokohama City, designated as a government-designated city
19601960 35Kohoku Post Office opened
Completion of Kohoku Ward General Government Building (Kikuna)
147,688Start of color television broadcasting
1961 36Ward Neighborhood Association Launches Neighborhood Associations Liaison Council  
1963 38Opened Tokyu Bus Hiyoshi Sales Office  
1964 39Shin-Yokohama Station started operation Tokaido Shinkansen opened
Tokyo Olympic Games
1965 40Opening of the Daisan Keihin Expressway235,046The Tokyo Numazu Line (National Route 246) opened
Vietnam War
1966 41(currently Resources and Waste Recycling Bureau) Port North Office opened
Start of operation of the Futoo pumping station in Shimo Water Works Bureau (now Environmental Planning Bureau)
 Japan's total population exceeds 100 million
Pollution and environmental problems such as Itai Thai disease
1967 42City Police (currently Prefectural Police) Opened Kohoku police department  
1968 43Yokohama Line (Higashikanagawa to Small Desk) double track
Opened Road and Highway Bureau Port North Public Works Office
 Opened Tomei Expressway
Over 2 million people in Yokohama
1969 44Midori Ward Branch Apollo No. 11 Successful landing on the moon
19701970 45Water Works Bureau Port North Sales Office221,511 
1971 46Opening of Kishinekoen  
1972 47evacuation area decided in the event of an earthquake
The former site of Kishine Base was fully returned to Yokohama City
 Established Okinawa
1973 48Announcement of the Kohoku New Town Basic Plan
Established the first welfare center for the elderly in the city, Kikuna Jurakuso
 Transition to yen floating exchange rate system
1974 49Gathering of the first inhabitants of a ward  
1975 50 255,275The end of the Vietnam War
U.S.-Soviet Spaceship First Docking
1976 51Tokaido Shinkansen Hikari-go Shin-Yokohama Stop (2 times a day) Lockheed incident
1977 52Established the Kohoku Ward flood control Council and the Kohoku Ward Komei Election Promotion Council (currently the Kohoku Ward Bright Election Promotion Council)  
1978 53Kohoku Ward New General Government Building (Soyado Town)
Yokohama Line (Small Desk to Mountainous Mountain) Double Track
 New Tokyo International (Narita) Airport opening
Birth of Yokohama Ocean Wheels
19801980 55Kumano Shrine Citizen's Forest Opening
Opening of the Kohoku Library and the Kikuna District Center
265,506 
1981 56Transportation Bureau Port North Sales Office
Opening of the Nitta District Center
  
1984 59The first Tsurumi River fireworks festival
Opening of the Okurayama Memorial Hall, partially opening of Okurayama Park
  
1985 60Subway Line 3 (Yokohama-Shin-Yokohama) opened
Opened the Kohoku Sports Center
The 1st Kohoku Ekiden Tournament
Designated as the first green area conservation area in Okurayama city
280,670Japan is the longest-lived country in the world
Over 3 million people in Yokohama
1986 61Published Kohoku Ward History  
1987 62Established Yokohama City Rehabilitation Center The Japanese National Railways split privatization. Established JR companies
1988 63Establishment of the Kohoku Ward Symbol
Double track on the entire Yokohama Line
  
1989HeiseiSource:Opening of Yokohama Arena
Yokohama Exposition held
50th anniversary of the Kohoku Ward System
 Introduction of consumption tax
The 100th anniversary of the municipal organization and the 130th anniversary of the opening of the port
Opening of Yokohama Bay Bridge
The collapse of the Berlin Wall
Establishment of flower roses in the city
19901990 2 305,774 
1991 3Trees in the ward, dogwood, established flower plums in the ward
Establishment of Yokohama Rosai Hospital
 The outbreak of the Gulf War
Collapse of the bubble
The disappearance of the Soviet Union
1992 4Asobotto Dream in Arena KOHOKU Festival held
Opened Yokohama Rapport, General Health and Medical Center
 The first Japanese astronaut boarded the space shuttle
1993 5Subway Line 3 (Shin-Yokohama-Azamino) opened  
1994 6Tsuzuki Ward   Branch
Shin-Yokohama Administrative Service Corner opened
In front of the Tsuzuki Ward   branch
331,236
After the Tsuzuki Ward   Branch
278,090
 
1995 7Shinyoshida Community Care Plaza opened
Hiyoshi Station Administrative Service Corner opened
evacuation shelter decided
279,333Great Hanshin-Awaji Earthquake
Subway Sarin incident
1997 9Shinohara District Center and Shinohara Community Care Plaza opened
Completion of the Japan Guide Dog Association Training Center
Start of charging business-related garbage
 Return to Hong Kong China
1998 10Open Yokohama International Stadium (now Nissan Stadium)
Sports Medical Center Sports Community Plaza (currently Nissan Water Park) opened.
  
20002000 12Takada Community Care Plaza, Shimoda Community Care Plaza, Mamedo Community Care Center (currently Mamedo Community Care Plaza), Shimoda Short Stay Center Opening
Opening of the Kohoku International Lounge
294,305 
2001 13  911 Simultaneous terrorist attacks
2002 14Established Health and Welfare Center (integrated welfare department and health center)
2002 FIFA World Cup TM Soccer Japan-Korea Jointly held
Opening of Tarumachi Community Care Plaza
 Resident Ledger Network System Start
2003 15The rooftop greening of the ward office is completed
Shin-Yokohama Yume Oasis (Tsurumi River Multipurpose Yusuichi) Operation started
  
2004 16Opening of the Jogo Koseki District Center and Jogo Koseki Community Care Plaza Opening of Minato Mirai Line
2005 17Hometown support business start
Established Kohoku AAA (Kohoku Safety and Security Town Development Council)
311,722 
2006 18English version of regional disaster prevention map creation
Established the city's first local child care support base Doroppu
Community Welfare and Health Plan (FFF) Business Start
316,522 
2007 19Conducted a green curtain project at an elementary school in the city
The first large-scale auto mall complex in the city opened in Shioka-cho
Opening of Hiyoshi Honmachi Community Care Plaza
320,961 
2008 20Municipal Subway Green Line (Hiyoshi, Kohoku-ku, and mountainous areas in Midori Ward) opened
Opening of Shioka Community House
323,394 
2009 2170th Anniversary of the Port North District System
Completion of extending the murmuring green road in Shinyoshida-cho, Niiba-cho
Opening of the Kohoku Ward Life Support Center
The Nitta Shindo will be extended
325,590150th anniversary of the opening of Yokohama Port
20102010 22Installation of solar panels on the rooftop329,471Opened Haneda Airport New International Terminal
2011 23Great East Japan Earthquake provides assistance to victims and measures for people who cannot return home, etc.
Established the Kohoku Eco Action Promotion Headquarters (“Promotion of Energy Conservation”, “Promotion of Green Up”, “Promotion of Yokohama 3R Dream Plan”)
331,937Great East Japan Earthquake
2012 24Conducted measures for people who cannot return home training around Shin-Yokohama Station
Kohoku Ward and companies in the ward conclude an agreement in the event of a disaster
Established 17 nursery school facilities through three-year nursery school waiting-list child measures (FY2012-24)
334,040Opening of Tokyo Sky Tree
2013 25Conducted the first open garden in the city (Kohoku OPEN GARDEN)338,378Mount Fuji registered with World Heritage
Decided to hold the 2020 Tokyo Olympic and Paralympic Games
2014 26Opening of the Niwa Community Care Plaza Community House
50th Anniversary of Shin-Yokohama Station
341,324Tomioka Silk Mill and Silk Industry Heritage Group was registered in World Heritage.
50th Anniversary of the Tokaido Shinkansen

[Reference] Kohoku Graphics, etc.

You can see books on the history of Kohoku Ward at the library in Yokohama. Here are some of them.
(Some books may be ordered from Chuo-toshokan, etc.)

  • Publishing Committee, Kohoku Ward History, Kohoku Ward Local History, published in Showa 61.
  • Published in Showa 51, edited by editorial committee, "Talking about Kohoku around the elders"
  • "History Walk of Kohoku" Yokohama Local Study Group, Published in Showa 45
  • "Visit the ruins of Kohoku" Visiting the ruins of Kohoku, published by the Editorial Committee in 1994.
  • Published in Showa 46, Kohoku-ku, Yokohama City
  • Published in 1987, Kohoku Ward Ward Administration Promotion Division
  • Published in Kohoku Ward General Affairs Division, 1989.
  • "New Kohoku Monogatari" Kohoku Ward Ward Administration Promotion Division, edited in Heisei 6
  • Published in City of Yokohama, Civic Affairs Bureau, 1996
  • "New Edition Musashi topographical record" published by Yuzankaku Publishing in 1996
  • "Tsurumi River Basin Magazine" published in 2003 by Keihin Construction Office, Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism
  • Published in 2003, Okura Institute of Psychiatry and Culture
  • Published in 2006, Okura Institute of Psychiatry and Culture, “Nature and Culture in Kohoku, Yokohama”
  • Published in 2009, Okura Institute of Psychiatry and Culture
  • Published in Kohoku Ward Office, 2009, "Kohoku Ward's Border and Memory: 70th Anniversary Magazine 1939-2009-"
  • Kohoku Publishing Group, Publishing Group, 2009
  • “My Town Kohoku 2” and “My Town Kohoku” Kohoku Publishing Group published in 2014
  • Shin-Yokohama Station 50th Anniversary Magazine "Shin-Yokohama 50 Years Trajectory", Shin-Yokohama Neighborhood Associations, 2014
  • Kohoku Ward Plan (revised in March 2015) issued by Kohoku Ward Office and Urban Development Bureau in 2015

About town development that made use of the history in ward, historical building

Inquiries to this page

Kohoku Ward Ward Administration Promotion Division Planning and Adjustment Section

Phone: 045-540-2229

Phone: 045-540-2229

Fax: 045-540-2209

E-Mail address [email protected]

Return to the previous page

Page ID: 182-855-567

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