Brief History of IEIJ

Mar 25 1878
The first carbon arc lamps were lighted at the Imperial College of Engineering in Tokyo under the direction of Prof. W. E. Ayrton. Afterwards, Mar. 25 became Electricity Commemoration Day in Japan.
Oct 21 1879.
Invention of the carbon-filament lamp by Thomas Edison, Day of Illumination
Founding of the CIP (Committee of International Photometry)
May 1911
Establishment of Electricity Engineering Institute of Japan
Nov 29 1916
Founding of the Illuminating Engineering Institute of Japan
Mar 1917
First publication of the Journal of the IEI-J
Jan 1920
Inauguration of Tokyo Branch and Kansai Branch of the IEI-J
Oct 1921
Establishment of the Commission International de I'Eclairage (CIE)
Feb 1922
Establishment of the Japanese National Committe of CIE
Mar 1924
Establishment of the IEI-J
Jan 1926
Inauguration of the Illumination Knowledge Promoting Committee
Mar 1928
Start of the Tokai Branch, IEI-J
Nov 1929
Start of the Kyushu Branch, IEI-J
Oct 1930
Start of the Hokkaido Branch, IEI-J
Jul 1951
Start of the Chugoku Branch, IEI-J
Aug 1952
Start of the Shikoku Branch and the Tohoku Branch, IEI-J
Feb 1955
Start of the Hokuriku Branch, IEI-J
Mar 1955
Japanese National Committe of CIE rejoined the CIE
Nov 29 1957
Start of the Illumination Promoting Association
Nov 29 1966
IEI-J celebreted its 50th anniversary
Nov 29 1976
IEI-J celebreted its 60th anniversary
Nov 29 1991
IEI-J celebreted its 75th anniversary
Nov 29 1996
IEI-J celebrated its 80th anniversary
Nov 29 2001
IEI-J celebrated its 85th anniversary
Nov 29 2006
IEI-J celebrated its 90th anniversary
Nov 29 2016
IEI-J celebrated its 100th anniversary