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The Course of Ibaraki's Administration

Year

Japanese era and year

Major events that occurred in Ibaraki

Year in Japanese era

Major events that occurred in Japan

645

Taika 1

The Taika Reforms
After this, Hitachi-no-Kuni was established, bringing the six domains of Taga, Kuji, Naka, Ibaraki, Tsukuba and Niihari together, and a defense agency was stationed in Ishioka. (Shimousa-no-Kuni was formed from the Yūki, Sashima, and Kita-Sōma regions)
   
713 Wadō 6  

6

An Imperial edict ordered the creation of the topography "Fūdoki."
723 Yōrō 7 The "Hitachi-no-Kuni Fūdoki" topography was completed.    
743 Tenpyō 15 Construction of the Hitachi- Kokubinji temple started in Ishioka.    
939 Tenkei 2 Masakado Taira attacked the Hitachi-no-Kuni government and the Masakado Revolt began.    
1339 Engen 4
(Rekiō 2)
Chiikafusa Kitabatake wrote "Jin'nō-shōtō-ki".    
1590 Tenshō 18 Yoshinobu Satake unified Hitachi    
1657 Meireki 3 Mitsukuni Tokugawa started editing the "Dai-Nihon-Shi" historiography.    
1808 Bunka 5 Rinzo Mamiya discovered the Mamiya straits.    
1842 Tempō 13 Nariaki Tokugawa opened Kairakuen.    
1867 Keiō 3  

3

Shōgun Yoshinobu Tokugawa requested "Taisei Hōkan," or restoration of Imperial Rule.
1869 Meiji 2  

2

Feudal lords put into action "Hanseki Hōkan," returning control of land and people to the Emperor.
1871 Meiji 4 Ibaraki Prefecture, Niihari Prefecture and Inba Prefecture were established as a result of the combining and abolition of prefectures.

4

Prefectures established in place of feudal domains
1872 Meiji 5 The Ibaraki Prefectural Office was opened in the Kōdōkan building.

5

Improvement of the school system began.
1873 Meiji 6 The first public elementary school in the prefecture opened in Mito-shi.    
1874 Meiji 7

The Niihari Prefecture Teachers' College opened in Tsuchiura and a general teachers' college opened in Mito.

   
1875 Meiji 8

Ibaraki Prefecture and Niihari Prefecture were merged creating what is now Ibaraki Prefecture.

   
1876 Meiji 9

The name of the general teachers' college in Mito was changed to Ibaraki Teachers' College.
Tsuchiura Teachers' College became a branch thereof.

   
1878 Meiji 11 County offices were set up and a chief of each county was appointed.    
1879 Meiji 12 A prefectural assembly was established and the first election for members of the prefectural assembly was held.    
1880 Meiji 13 The first junior high school in Ibaraki Prefecture was opened.    
1882 Meiji 15 The first prefectural office was constructed.    
1885 Meiji 18 The Japan National Railroad Tōhoku Line between Ōmiya and Utsunomiya was opened.
Koga Station was established. (Currently on JR Tōhoku Line)
   
1888 Meiji 21 The population of the prefecture exceeded one million.    
1889 Meiji 22 Municipal-level administration began. The merging of towns and villages established one city, 40 towns and 335 villages.

22

The Constitution of the Japanese Empire came into effect.
1893 Meiji 26 A telegraph line was established between Mito and Tōkyō (via Koyama).    
1894 Meiji 27 The Prefectural Assembly Hall was completed.

27

The Sino-Japanese War broke out.
1895 Meiji 28 The first dissolution of the prefectural assembly    
1903 Meiji 36 The Prefectural Library opened.    
1904 Meiji 37  

37

The Russo-Japanese War broke out.
1905 Meiji 38 The Hitachi mine was opened.    
1906 Meiji 39 "Dai-Nihon-Shi," totaling 397 volumes, was completed.    
1907 Meiji 40

Mito introduced electric-powered lights.

Telephone service began in Mito-shi, Yūki-machi, Koga-machi, and Shimodate-machi.

   
1914 Taishō 3 The chimney at the Hitachi mine was completed.

3

The First World War broke out.
1923 Taishō 12  

12

The Great Kantō Earthquake occurred.
1926 Taishō 15 County chiefs and county offices were abolished.    
1928 Shōwa 3 The first May Day was held in the prefecture.    
1930 Shōwa 5

Ōtone Bridge in Kita-Sōma-gun was opened.

The prefectural office (former main government office building) was completed.

   
1935 Shōwa 10 The prefecture promoted the merger of towns and villages.    
1939 Shōwa 14  

14

The Second World War broke out.
1941 Shōwa 16  

16

The Pacific War broke out.
1945 Shōwa 20  

20

The end of the war
1946 Shōwa 21  

21

The Constitution of Japan was promulgated.
1947 Shōwa 22

The prefecture reached a population of more than two million.

The first election for a prefectural governor was held.

22

The Local Autonomy Law was promulgated.
1949 Shōwa 24 Ibaraki University opened.    
1950 Shōwa 25 The Ibaraki Prefecture Overall Development Plan was decided.    
1951 Shōwa 26 A school lunch service started in elementary schools in the four cities of Mito, Hitachi, Tsuchiura and Koga.    
1954 Shōwa 29 The Prefectural Police Headquarters was established.    
1957 Shōwa 32 Japan's first nuclear reactor started operations.    
1958 Shōwa 33 Merging of cities, towns and villages created 16 cities, 39 towns and 37 villages in the prefecture.    
1961 Shōwa 36 A monitor system for the prefectural administration started.    
1962 Shōwa 37

Development of Kashima started.

Chōsi-Ōhashi Bridge opened.

   
1963 Shōwa 38

The prefectural song of Ibaraki Prefecture was created.

Construction of Kashima Port started.

   
1964 Shōwa 39  

39

The Tōkyō Olympics were held.
1965 Shōwa 40 The Ibaraki Prefecture Overall Promotion Plan was established.    
1966 Shōwa 41 The Prefectural Culture Center was completed.    
1967 Shōwa 42 Hitachi Port became an active trading port.    
1968 Shōwa 43 Ibaraki Prefecture Resident's Day was started.    
1969 Shōwa 44

Kashima Port opened.

Construction of Tsukuba Science City began.

   
1970 Shōwa 45 The Ibaraki Prefecture Overall Promotion Plan was put forth.    
1971 Shōwa 46 A Resident's Day assembly commemorating the 100th anniversary of Ibaraki Prefecture was held.    
1973 Shōwa 48

The Kushigata mining station at Takahagi mine and the Tokiwa coalfield were closed.

The U.S. Army returned control of the Mito air-raid firing range.

The University of Tsukuba opened.

   
1974 Shōwa 49

The Prefectural History Building was opened.

National Athletic Meet held in Ibaraki.

The 10th National Sports Meet for the Physically Challenged was held.

   
1976 Shōwa 51

The 27th National Tree-Planting Festival was held.

Ibaraki Prefecture Welfare Basic Plan set forth.

   
1977 Shōwa 52 Construction of the Joban Highway started.    
1980 Shōwa 55

Construction of Tsukuba Science City was completed.

The University of Library and Information Science opened.

The Second Ibaraki Prefecture Welfare Basic Plan was created.

   
1981 Shōwa 56

The prefectural botanical gardens opened.

An outline for management of the Mito air-raid firing range returned by the U.S. Army was decided.

   
1985 Shōwa 60

Tsukuba Expo '85 was held.

The Prefectural Industrial Technology Center was established.

The Ibaraki Prefecture Welfare Basic Plan for Residents was created.

Car ferry service between Ōarai and Tomakomai, Muroran started.

The Prefectural Flower Park was opened.

   
1986 Shōwa 61 Sister prefecture relationship began with:

State of Emilia-Romagna, Italy

Alajuela Prefecture, Costa Rica

Essonne Prefecture, France

   
1987 Shōwa 62

Kasumigaura-Ōhashi Bridge opened.

The Higashi-Kantō Expressway between Sahara-Katori and Itako opened.

   
1988 Shōwa 63

The section of the Tokiwa Highway going through Ibaraki opened.

The 8th National Assembly for Maintaining a Fertile Sea was held.

The Prefectural Museum of Modern Art opened.

   
1989 Heisei 1 Construction of Hitachi-Naka Port started.    
1990 Heisei 2

The Ibaraki Prefecture Basic Welfare Plan was updated.

The Preventive Medicine Plaza opened.

   
1991 Heisei 3

A new addition to the National Hitachi Seaside Park opened.

The new prefectural seal was introduced.

   
1992 Heisei 4

The Prefecture General Welfare Hall opened.

The General Prefecture Agriculture Center was opened.

   
1993 Heisei 5

Ibaraki held the 10th National Tree-Planting in Cities Fair (Green Fair '93 Ibaraki).

Construction of the Kashima Prefectural Soccer Stadium began.

   
1994 Heisei 6

The Ryūjin-Ōtsuribashi suspension bridge was completed.

The Prefectural Nature Museum opened.

Construction of the Kita-Kantō Expressway began.

Construction of the new Jōban Expressway began.

   
1995 Heisei 7

Kitaura-Ōhashi bridge opened.

Ibaraki Prefecture Long-Term General Plan created.

The 6th International Conference on the Conservation and Management of Lakes: Kasumigaura '95 was held.

The Ibaraki Prefectural University of Health Sciences opened.

The ceramic industry prefectural guidance office, "Takumi Kobo Kasama" was completed.

   
1996 Heisei 8

The 2nd Kasumigaura Marathon for the Visually Impaired was held.

The prefectural office in Shanghai opened.

The Ibaraki Prefectural University of Health Sciences hospital opened.

Kashima-shi was selected as one of the venues for the 2002 Soccer World Cup.

   
1997 Heisei 9

Izura Tenshin Memorial Museum of Art opened.

The 8th National Gathering for the Protection of Nature was held.

   
1998 Heisei 10

Yūai-Pic Ibaraki Meet (the 7th national meet) for the Mentally Challenged was held.

Hitachi-Naka Port opened.

   
1999 Heisei 11 Construction of the new prefectural office was completed.    
2000 Heisei 12 The Ibaraki Ceramic Art Museum opened.    
2001 Heisei 13 Kashima Soccer Stadium reopened.    
2002 Heisei 14

Ibaraki Prefectural Oarai Aquarium opened.

Part of the 2002 FIFA World Cup held in Ibaraki.

All-Japan Athletic High School Athletic Meet held in Ibaraki.

The Daigo Widearea Park's car camping area opened.

   
2003 Heisei 15 The Ibaraki Broadband Network commenced operation.    
2004 Heisei 16 NHK local digital broadcast began.    
2005 Heisei 17

The Kasumigaura Science Center opened.

56th annual National Arbor Day held in Ibaraki.

The Tsukuba Express railroad began operation.

   
2006 Heisei 18

A wave of municipal mergers reduced Ibaraki Prefecture to 44 municipalities (32 cities, 10 towns, and 2 villages).

The Northern Ibaraki Lifelong Learning Center opened.

National Lifelong Learning Festival

   
2007 Heisei 19 20th annual Nenrin-pics (National Health and Welfare Festival for the Aged) held in Ibaraki.    
2008 Heisei 20 Hitachinaka Seaside Railway company created.    
2009 Heisei 21 31st annual Abilympic held in Ibaraki.    
2010 Heisei 22 Ibaraki Airport opened.  

 

 

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