History of Inagi City

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Page ID 1005521 Update Date Reiwa 7, February 21

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Japanese Calendar

Main Events

1889 Meiji 22 Yanokuchi Village, Higashi-Naganuma Village, Omaru Village, Momura Village, Sakahama Village, Hirao Village merged
Inagi Village is born (Population 3,750)
1897 Meiji 30 Construction of the Village Office
1919 Taisho 8 Streetlights are lit in Inagi Village
1929 Showa 4 Full line opened between Kawasaki and Tachikawa on the Nambu Railway (now, JR Nambu Line)
1935 Showa 10 Tamagawahara Bridge Opening
1939 Showa 14 Tama Explosives Factory (currently, U.S. Army Tama Service Support Facility) opened
1946 Showa 21 Establishment of Inagi Village National Health Insurance Directly Managed Hospital
1949 Showa 24 Part of Oshitate and Tokihisa was incorporated from Kitatama-gun Tama Village (now: Fuchu City) to Inagi Village
1953 Showa 28 Sakahama Clinic of Inagi Hospital Established
1957 Showa 32 Town system implementation (Population 10,145, 1,940 households)
1960 Showa 35 Start of Simple Water Supply Project
1964 Showa 39 Tamagawa Sanitation Association (Waste Disposal) Establishment
1965 Showa 40 Start of water supply project, Tama New Town project has been decided in urban planning
1966 Showa 41 Double Tracking of the Nambu Line
1967 Showa 42 Establishment of the Town Emblem (Current: City Emblem)
1970 Showa 45 Inagi Fire Station established (19 staff members, 1 fire engine, 1 ambulance), Hirao Housing Complex move-in begins
Hirao Branch Office opened
1971 Showa 46 Construction of Inagi Central Hospital, Approval of Tama New Town Inagi District Project
City establishment (Population 36,800, 11,999 households)
1973 Showa 48 Opening of the Central Cultural Center, Designation of the City Tree (Ginkgo) and City Flower (Pear)
1974 Showa 49 The Keio Sagamihara Line has been extended to Tama Center (Inagi Station, Wakabadai Station established)
Inagi City sewerage has been integrated into Tokyo, and public announcement radio broadcasting has started
1975 Showa 50 Inagi City Long-Term Comprehensive Plan and Basic Concept Formulation
Opening of the Second Cultural Center and Establishment of North Green Space Park
1976 Showa 51 Formulation of the Long-Term Comprehensive Plan and the First Basic Plan
1979 Showa 54 Opening of the Third Cultural Center
1981 Showa 56 10th Anniversary of City Administration, Establishment of the Citizen Charter, Completion of the City Hall
Commencement of Public Sewerage Wastewater Pipe Installation Work
1982 Showa 57 Welfare Center Opening
1983 Showa 58 Opening of the Fourth Cultural Center
1984 Showa 59 Long-Term Comprehensive Plan - Formulation of the Second Basic Plan
Inagi City Citizens' Charter Promotion Council Established
1985 Showa 60 Start of Sewerage Service
1986 Showa 61 Computerization of resident registration services, operation of the resident information system
1987 Showa 62 Omaru Shinsui Park Completed
1988 Showa 63 Koyodai District of Tama New Town Move-in Start
1989 Heisei 1 Celebrating the 100th Anniversary of Inagi Village
1990 Heisei 2 Second Long-Term Comprehensive Plan and Basic Concept Formulation
Implementation of the Hirao District Town Boundary and Address Number Organization Project
1991 Heisei 3 20th Anniversary of City Administration
Inagi City Peace City Declaration Resolution, Sister City Partnership with Memanbetsu Town, Hokkaido
Inagi Central Park Comprehensive Ground, Baseball Field Established
Second Long-Term Comprehensive Plan and Basic Plan Formulation
1992 Heisei 4 Comprehensive Gymnasium Opening, Inagi Green Wellness Foundation Establishment
Shiroyama Cultural Center Opening
1993 Heisei 5 Approval of the Land Readjustment Project around Yanokuchi Station, Inagi-Naganuma Station, and Minami-Tama Station
1995 Heisei 7 Inagi Ohashi Toll Road Opened, Residents Begin Moving into Nagamine District of Tama New Town
Koyodai District Receives the Minister of Land, Infrastructure, Transport and Tourism Award for Urban Landscape and Selected as One of the 100 Best Urban Landscapes
1997 Heisei 9 Health Center Opening
Start of the JR Nambu Line Elevated Crossing Project
1998 Heisei 10 Completion of the New Factory of the Tamagawa Sanitation Association
Opening and Commencement of Operations of the New Ward at City Hospital
1999 Heisei 11 Move-in Start for Wakabadai Area of Tama New Town
Opening of Wakabadai Branch Office of Inagi City Hall and Opening of Second School Lunch Kitchen
2000 Heisei 12 Third Long-Term Comprehensive Plan and Basic Concept Formulation
Establishment of the "Citizen Ordinance to Beautify the Town"
2001 Heisei 13 30th Anniversary of City Administration
Third Long-Term Comprehensive Plan and Basic Plan Formulation
Completion of the Hot Water System Utilizing Waste Heat Between the Clean Center Tamagawa and the City Hospital
Tokyo Verdy's Relocation from Kawasaki to Inagi as Its Base
2002 Heisei 14 Inagi City Circular Bus "i Bus" Regular Service Starts
1st I Town Inagi Citizen Festival Held
2003 Heisei 15 Hatsuratsu Work Inagi Opening
2004 Heisei 16 Opening of "Friend Hirao (Former: Daihachi Elementary School)"
2005 Heisei 17 Community Promotion Plaza Opening
Completion of the First Phase of the JR Nambu Line Elevated Crossing Project
2006 Heisei 18 Central Library Opening - SHIROYAMA EXPERIENCE STUDY INSTITUE Opening
Kasayato Green Space Experience Learning Center Opening
Sister City Partnership with Ozora Town (established by the merger of Memanbetsu Town and Higashimokoto Village)
2007 Heisei 19 Opening of the Minami-Tama Ridge Main Line
\nStart of the Nursing Care Support Volunteer System
\nReceived the Minister of Internal Affairs and Communications Award (Group Award) for the 60th Anniversary of the Enforcement of the Local Autonomy Act
2008 Heisei 20 Start of mutual library use among 7 cities along the Keio Line
2009 Heisei 21 Opening of the i Plaza Complex
2010 Heisei 22 Fourth Long-Term Comprehensive Plan and Basic Concept Formulation
Inagi Ohashi Free of Charge
2011 Heisei 23 40th Anniversary of City Administration
Fourth Long-Term Comprehensive Plan and Basic Plan Formulation
Inagi City Image Character "Inagi Nashinosuke" Birth
2012 Heisei 24 Health Plaza Opening - City Hospital Health Checkup - Outpatient Building Opening
Establishment of Honorary Citizen System - Establishment of Citizen Honor Award System
2013 Heisei 25 Development Support Center "Respo Inagi" and Education Center Opened (Complex Facility Friend Hirao)
Completion of the Nambu Line Elevated Switch
2014 Heisei 26 iBus Phase 1 Revised Route Service Start
2015 Heisei 27 Inagi Nagamine Sports Plaza Opening
Friendship City partnership with Soma City, Fukushima Prefecture and Nozawa Onsen Village, Nagano Prefecture
Public Inagi-Fuchu Memorial Park and Minamiyama Hall Opening
2016 Heisei 28 Inagi Base Station Pair Terrace Opening
City Bird (Common Kestrel) Designation
"Inagi Free Wi-Fi" Service Start
Opening of Kamihirao Tunnel, the First in Inagi City
2017 Heisei 29 Uehirao Fire Branch Office Opening
iBus Phase 2 Route Revision Service Start
Inagi City Logo Type "Inagi City" "INAGI CITY" Established
2018 Heisei 30 Inagi City Tourism Association Establishment
70 Years of Fire Brigade Formation, 50 Years of Inagi City Fire Department Establishment
2019 Heisei 31 Hirao 4-chome Birth
2020 Reiwa 2 The new first kitchen of the School Lunch Joint Cooking Facility has been completed
Scope Dog Monument Installation
2021 2021

50th Anniversary of City Administration Implementation

Fifth Long-Term Comprehensive Plan and Basic Plan Formulation

Establishment of the Inagi City Song

Sister City partnership with Foster City, California, United States

Inagi City's Original Character "Onekan Warrior Inagi Pedalion" Birth

2022 2022 Completion of the Inagi Kamihirao Land Readjustment Project
2023 2023

Inagi City Carbon Neutral Declaration

Birth of Sakahama 3-chome, 4-chome, and 5-chome

2024 2024

Development Support Center Branch "Respo Inagi Omaru" Opened

"Tokyo Tama 2020 Legacy Road" designated as a model route for GOOD CYCLE JAPAN cycle tourism promotion by the Ministry of Land, Infrastructure, Transport and Tourism

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Inquiries about this page

Inagi City Policy and Planning Division
2111 Higashi-Naganuma, Inagi City, Tokyo 206-8601
Phone number: 042-378-2111 Fax number: 042-377-4781
Contact Inagi City Policy and Planning Division