1837
Morse Invents the Telegraph
1854
Perry Presents Telegraph Devices.
1869
Start of Telegram Service between Tokyo and Yokohama (Founding of Telegraph in Japan)
1871
Morse Print Telegraph Equipment Imported from England and Put to Use
Exchanging Telegrams with Foreign Countries Starts (between Nagasaki and Shanghai, Nagasaki and Vladivostok)
1872
First Submarine Cable (Kanmon Straits)
1873
Telegraph Lines on Land between Tokyo and Nagasaki Opened
1876
Graham Bell Invents the Telephone
1878
First Telephone of Domestic Production
Telegraph Lines Set Up Almost Throughout the Country. Central Telegraph Office (Kobiki-cho) Opened
1890
Telephone Service Between Tokyo and Yokohama Started (Founding of Telephone in Japan)
Gower-Bell Telephone Used (First Telephone for Practical Use in Japan)
Subscriber List Published (First Telephone Directory in Japan)
Magnetic Single Switch (First Switch in Japan)
1891
First serial duplex exchange trials
1895
Marconi Invents Radiotelegraphy
Morse Acoustic Telegraph Started
1896
Delville Wall Telephone Replaces Gower-Bell Telephone
1897
Delville Magnetic Ko-Type Desk Telephone
1898
Magnetic Parallel Compound Switch Adopted
Telephone Directory Arranged in Order of Japanese Syllabary (I-RO-HA order). Store Names, etc. Allowed.
1899
Japan's first long distance telephone service (Tokyo - Osaka)
Debut of Solid Back Magnetic Wall Telephone
1900
Submarine Cables for Long Distance Calls Laid
First Automatic Telephones (Public Telephone) Appeared at Shinbashi and Ueno Stations
A box-type automatic telephone (public telephone) was installed at the foot of Kyobashi bridge
1903
First Common-Battery Switch in Japan Adopted at Kyoto Office
Debut of Common-Battery Public Telephone
Debut of Gooseneck Common-Battery Wall Telephone
1905
Long distance phone line opened between Tokyo and Sasebo (approx. 1,550km)
1906
Start of direct telegraph communication with the US using a submarine cable
1908
Wireless telegram service introduced (between the Choshi radio station and a ship)
1909
Debut of No.2 Common-Battery Wall Telephone
1910
A distance-based sliding scale and night-time discount introduced for long distance call charges
1911
At the close of the Meiji Era, Red Hexagonal Phone Booths Appear
1912
No.1 Large Common-Battery Long Distance Switch Adopted
World's first practical wireless telephone invented
1920
Charging based on number of calls introduced for local calls
1923
The Great Kanto Earthquake Destroys Telephone Facilities in the Kanto Region
1923
Telegraph printer appears
1925
Telephone Books Use Horizontal Script
Radio broadcasts begin
The "automatic telephone" renamed the "public telephone"
1926
Japan's First Automated Switching Equipment (Introduction of Type A Switchboards)
Japan's First Automated Switching Equipment (Introduction of Type H Switchboards)
Special services such as directory inquiries (100) and fire (112) introduced
Aomori - Hakodate line opened and long distance services between Honshu and Hokkaido introduced
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