1901
- born at "Groven", Gøytilsgrend in Lårdal October 8th.
- starts playing the hardanger fiddle
1914
- while tuning a dulcimer, he becomes aware of the problems of just intonation
1918
- falls ill with pleuritt, barely survives
1920
- wins youngest class at his first "kappleik", folk music competition
1923
- starts cooperating with Rikard Berge
1925
- marries Ragna Hagen
- quits his teaching job to devote himself to the composing
1926
- performance of Bryllupet i Genua, theatre piece by H.E. Kinck, music composed by Eivind Groven
- first evening of works
- first daughter, Aslaug Johanne, born April 26th
1927
- the study Naturskalaen is published
1928
- Marihand, a piano piece lasting 40 minutes, is composed
1929
- his brother, the gifted fiddle player Olav Groven, dies
- starts cooperating with Ola Brenno, a tradition bearer on Norwegian dulcimer
1930
- second daughter Tone Alis born January 9th
- composes his first tunes to texts by the Norwegian poet Henrik Wergeland
- is employed adviser on folk music matters and -programs by the Norwegian Broadcasting Corporation (NRK)
1931
- the "Hardanger fiddle trio" is created ?
1933
- first performance of Brudgommen (4 voices, choir and orchestra)
- first performance of Mot Ballade (choir and orchestra)
1935
- first performance of Renessanse, symphonic poem
1937
- first performance of Historiske syner
- the pure-tuned harmonium is built
- wins the competition on composing the signature tune for the NRK (Norwegian Broadcasting Corporation)
1938
- finishes 1st version of 1st symphony, was later changed
- temporarily moves to Movatn, Nordmarka. The Ekeberg house is hired out.
1939
- realises how the ???tonevalgautomaten??? might be constructed
- moves to Tåsen
- is given the State's composer's salary in January
- April 9th: German occupation
- Third daughter Dagne born September 19th
1943
- returns to the Ekeberg home
1944
- fired from NRK (Norwegian Broadcasting Corporation) by the nazis
- the family evacuates to Heddal, Telemark
1945
- returns to Oslo and his radio work after the Liberation
- a son, Gudmund, born October 9th
1946
- conducts own works in Bergen January 31st
- first performance of 2. symphony in Trondheim
- 1. symphony revised
- quits regular radio work, but keeps editing casual programs
- his mother, Aslaug Berge, dies
1947
- his father, Olav Gøytil, dies
- conducts Historiske syner in Bergen
- old version of 1st symphony performed successfully in New York
- inherits the rest of the "Nordjordet" premises, Ekeberg, Oslo
1948
- Temperering og renstemming, a theoretical study of different ways of tuning, is published
- enjoys great success during Nordic music days in Oslo with Mot ballade
- first performance of Klaverkonserten in Bergen
- first performance of Hjalarjod at the city Oslo's 900-years centennary
- starts working on publishing a collection of Hardanger fiddle tunes, Hardingfeleslåttar ?
- weekend cottage at Tjøme is built
1953
- the just intonation organ is built
1954
- Albert Schweitzer tries the just intonation organ
- the organ is recorded on LPs
1955
- starts studying the Eskimo music recorded by Helge Ingstad
1957
- composes Soga um ein by (choir and orchestra)
1958
- first volume of the fiddle tunes collection Norsk folkemusikk - Hardingfeleslåttar is published
1959
- second volume of Norsk folkemusikk - Hardingfeleslåttar is published
- his wife Ragna Groven dies April 6th, 57 years old
- first performance of Olav Liljukrans (choir)
- third volume of Norsk Folkemusikk - Hardingfeleslåttar is published
1961
- marries Signe Taraldlien December 29th
1963
- fourth volume of Norsk Folkemusikk - Hardingfeleslåttar published
1964
- Margit Hjukse performed in Helsinki, Finland
1965
- first performance of Draumkvede (voices, choir and orchestra) in Bergen
- the automatic just intonation organ is built
1966
- Eivind Groven's suffering from Parkinson's disease is diagnosed
1967
- first performance of Faldafeykir, symfoniske slåttar nr. 2in Bergen
- fifth volume of Norsk Folkemusikk - Hardingfeleslåttar published
1968
- Renstemmingsautomaten, theoretical study of the automatic just intonation device, is published
- the "Orgelhuset", the building where his unique organs are, is built
- Eivind Groven - Heiderskrift til 70-årsdagen 8 oktober
1971, homage volume, is published
- Guro Heddelid is published.
- volume 6 of Norsk Folkemusikk - Hardingfeleslåttar published?
1972
- second edition of the Myllarguten/Gibøenbook, on two fiddle legends, is published with a new article by Eivind Groven
1973
- Mikas monolog, Eivind Groven's last bigger composition
- teaches at seminar in Seljord
1977
- February 8th, Eivind Groven dies in Oslo