Izumiyama brothers in law

(Iwajiro Izumiyama and Ayajiro Izumiyama) excavated the Korekawa-nakai site.

"Korekawa site" was listed as national historic site.

Izumiyama brothers donated about 5000 artifacts to Hachinohe city.

"633 artifacts from the Korekawa-nakai site" were listed as important cultural properties.

The Korekawa Archeological Center build for the purpose of collecting and displaying archaeological remains of the Korekawa-Nakai Site.

The Hachinohe Museum of History and Folklore opened. It have been the branch of Hachione City Museum since 1983.

Designing of Hachinohe City Jomon Gakushu Kan was started.

Hachinohe City Jomon Gakushu Kan opened.

Korekawa Site Study Zone opened.

(The exhibition room of History and Folklore Museum was repaired as this zone).

"The fundamental plan of designing of the Korekawa Jomon park" is drawn up.

Hachinohe city excavated the Korekawa Nakai site. (～2004)

"The Committee of designing of the Korekawa Jomon park" was established. The Fundamental Plan was revisited.

"Promotion office for the Jomon park" was established in Hachinohe city board of education cultural affairs division.

"The Committee of designing of the Korekawa Jomon park" started to secure the land to bulid "Jomon park" and "Korekawa Jomon Museum (tentative name) " .

The design office was selected by proposal method. Designing exhibition and floor started.

Exhibition and floor detail design started.

Site preparation and building construction work started.

330 artifacts from Korekawa Nakai Site were listed as important cultural properties additionally. 10 July, Korekawa Archaeological Institution opened.