1928, Oct 18 Born in Enid, OK
1934 Begins piano lessons, age 6
1942 Begins playing marimba as a hobby
1947–49 Attends William Woods College and graduates with an A.A. in Liberal Arts
1947 Interest in ethnomusicology starts when she writes her first term paper researching the marimba, her chosen musical instrument
1948 Wins 30-state marimba contest sponsored by The Chicago Tribune.
Prize is to appear as soloist before 80,000 people as part of concert at Chicagoland Music Festival, Soldiers’ Field
1949–51 Attends Northwestern University, Evanston, IL, and graduates with B.Mus. degrees in Performance and Music Literature
1950 Attends Alliance Française, Paris; receives Certificate of French language
1953–1954 Completes M. Mus. degrees in Percussion and Theory from American Conservatory, Chicago
1953, Nov 4 Formal debut as classical marimbist at Fullerton Hall, Chicago Art institute
1956 First major public recital; Chicago
1956, Nov 19 Debut at New York’s Town Hall on marimba
1957 Receives Fulbright Scholarship to begin research in Guatemala on the history of the marimba
1959 Carnegie Hall performance
1960, Sept 16 Formal premiere in Guatemala of Concertino para Marimba Y Orquestra
1962 European concert debut
Makes first professional recording of marimba music under Epic label
Injures hand in a gas stove explosion
Studies linguistics and translation at Summer Institute of Linguistics, Norman, OK
1962–3 Studies Greek and New Testament at Asbury Theological Seminary, Wilmore, KY
1964 The Marimbas of Guatemala published
First travels to Papua New Guinea
1965 Teams up with Darlene Bee to work with the Usarufa people of Papua New Guinea teaching literacy and doing music analysis
1972 Begins work as a doctoral candidate at Universityof Auckland, NZ. Recieves word that Darlene Bee has died in a plane crash in Papua New Guinea
1974 Completes dissertation and then pushes to finish Usarufa NT translation by Papua New Guinea’s independence date (1976)
1975 Summer, teaches class on Music of Papua New Guinea during summer semester at Chicago Musical College, Roosevelt University
  Fall, begins teaching at Wheaton College, Wheaton, IL (although formal tenure does not begin until 1977)
1976 Takes first student intern to Papua New Guinea
1980, June 9 Last concert appearance at Alice Tully Hall, Lincoln Center, New York City
1981 Dedication of Usarufa New Testament
1985 Induction into Oklahoma Hall of Fame
1993 Retires from the position at Wheaton College
1994 Induction into Percussive Arts Society Hall of Fame
Makes first contribution to the Archive of Folk Culture, American Folklife Center, The Library of Congress, Wash. DC
2001 Named one of the 2000 Outstanding Musicians of the 20th Century by the International Biographical Centre, Cambridge, England
2006 Documentation completed for the “Chenoweth Collection” in the Archive of Folk Culture, American Folklife Center, The Library of Congress
2018, Dec 14 Dies in Enid, OK