History

Before reclamation

1700　Susaki Benten shrine is founded
The Susaki Benten shrine (later Susaki Shrine) was founded on the Edo seashore at Susaki. The future Shiomi was the sea off this shore.

1877–1886　Nori cultivation begins in the sea off present-day Kōtō-ku
Nori production is thought to have begun in the 1877–86 period (Meiji 10s) in the sea that spread in front of present-day Kōtō-ku.

The No. 8 landfill

25 June 1924　Reclamation licence for No. 8 Reclaimed Land
An order dated 25 June 1924 (Taishō 13), no. 戊土甲第2182号, licensed the reclamation of 146,190 tsubo of sea off Susaki-Benten-chō.

1927　Garbage dumping begins on No. 8
From 1927 (Shōwa 2), garbage began to be buried on No. 8, the land that is now Shiomi.

c. 1955　Open burning of garbage on No. 8 ends
After repeated complaints about smoke and dust, open burning of garbage stopped from the Shōwa 30s (1955).

January 1958　Tokyo agrees to Ari-no-Machi's move to No. 8 Reclaimed Land
In January 1958 (Shōwa 33), Tokyo Metropolis fully accepted Ari-no-Kai's demands, and Ari-no-Machi's move to No. 8 Reclaimed Land was decided.

June 1960　Catholic Edagawa Church (Ari-no-Machi Church) is founded
A chapel was built on No. 8 Reclaimed Land from the old timber of Senzoku Church, and the church began anew as Edagawa Church together with the people of Ari-no-Machi.

4 June 1960　Ari-no-Machi moves to No. 8 Reclaimed Land
Ari-no-Machi, which had stood in a corner of Sumida Park, moved to a 16,000 m² site on No. 8 Reclaimed Land.

December 1962　Garbage dumping on No. 8 ends
Garbage dumping on No. 8, begun in 1927, ended in December 1962 (Shōwa 37).

June 1964　Ministry of Transport approves a design change for No. 8 Reclaimed Land
In June 1964 (Shōwa 39), the Ministry of Transport approved Tokyo's application for a design change to the reclamation works, and the site's area and location were restated.

29 August 1967　No. 8 Reclaimed Land is completed
On 29 August 1967 (Shōwa 42), the works on No. 8 Reclaimed Land were completed.

Shiomi is born: an industrial island

30 January 1968　No. 8 Reclaimed Land joins Kōtō-ku as Shiomi
On 30 January 1968 (Shōwa 43), No. 8 Reclaimed Land was annexed by Kōtō-ku and became Shiomi 1-chōme and 2-chōme.

July 1968　Shiomi baseball ground opens
In July 1968 (Shōwa 43), six months after the land joined the ward, the Shiomi baseball ground opened.

1969　Sumidagawa Shipbuilding moves to Shiomi
After its land was bought for expressway construction, Sumidagawa Shipbuilding moved its head office and works to Shiomi.

March 1973　Sunashio Bridge is built
In March 1973 (Shōwa 48), Sunashio Bridge was built over the Akebonokita Canal, linking Shiomi 2-chōme with Shinsuna 1-chōme.

5 February 1980　Shuto Expressway Route 9 Fukagawa opens in full
On 5 February 1980 (Shōwa 55), the Hakozaki JCT–Tatsumi JCT section of Shuto Expressway Route 9 Fukagawa opened, completing the route, and the Tatsumi JCT–Shin-Kiba section of the Bayshore Route opened the same day.

1981　Tokyo Printing City Cooperative is founded
In 1981 the Tokyo Printing City Cooperative was founded as Tokyo's first printing industrial estate.

1 June 1986　Shiomi Church's present building is dedicated as "Mary of Ari-no-Machi"
On 1 June 1986 (Shōwa 61), the present building of Shiomi Church was dedicated and given the name "Mary of Ari-no-Machi".

January 1988　Residential addressing comes to Shiomi
In January 1988 (Shōwa 63), the residential address system was introduced in the Shiomi district, twenty years after the land joined the ward.

1988　Ari-no-Kai is dissolved
In 1988 Ari-no-Kai, its role fulfilled, was dissolved.

The station changes the district

10 March 1990　Shiomi Station opens on the JR Keiyō Line
On 10 March 1990 (Heisei 2), Shiomi Station opened when the Keiyō Line's Tokyo–Shin-Kiba section opened.

November 1992　The Japan Catholic Center is completed and the Bishops' Conference moves in
In 1992 the secretariat of the Catholic Bishops' Conference of Japan moved from Rokubanchō, Chiyoda-ku, to the Japan Catholic Center in Shiomi (completed November 1992).

25 December 2001　Shiomi Sazanami Park opens
On 25 December 2001 (Heisei 13), Shiomi Sazanami Park opened in Shiomi 1-chōme.

17 September 2009　APA Hotel Tokyo Shiomi-Ekimae opens
On 17 September 2009 (Heisei 21), the 706-room APA Hotel Tokyo Shiomi-Ekimae opened.

Shiomi today

22 January 2015　Satoko Kitahara is declared Venerable
On 22 January 2015 Pope Francis approved the decree recognising Satoko Kitahara's heroic virtue, and the Congregation for the Causes of Saints announced it the next day, the 23rd.

1 September 2020　Tokyo Bay Shiomi Prince Hotel opens
On 1 September 2020 (Reiwa 2), the 605-room Tokyo Bay Shiomi Prince Hotel opened.

1 September 2023　Shimizu's NOVARE begins operating
On 1 September 2023, Shimizu Corporation's centre for innovation and staff development, "Onko-Sōshin no Mori NOVARE", began operating.

18 January 2024　Shiomi Shibusawa Park opens
On 18 January 2024 (Reiwa 6), Shiomi Shibusawa Park opened in Shiomi 2-chōme.

10 April 2025　Public opening of the former Shibusawa residence and NOVARE Archives
On 10 April 2025 (Reiwa 7), the former Shibusawa residence (former Shibusawa family house) and NOVARE Archives (the Shimizu history museum) opened to the public.

June 2026　The Shiomi district town-planning policy is revised
In June 2026 (Reiwa 8), Kōtō-ku revised the Shiomi district town-planning policy it had adopted in 2008.