- 1928: The secretary’s minutes for March 27 officially establishes the date of Luren’s founding as 1868, producing the photo of the original quartet, contributed by Mrs. Engbretson. Luren performs for the Sognalaget and the Laerdalslaget.
- 1928: Radio concerts over Ben Bear’s station in Decorah begin.
- 1929: With Luren’s appeal widening, the group sings for the Sons of Norway, and for Det Norske Selskab’s Leif Erickson celebration. Area churches are increasingly inviting Luren to sing – First Lutheran, Big Canoe, Glenwood, Highland Prairie, Washington Prairie and others.
- 1931: Luren sings for the Rural Route mail carriers’ convention.
- 1933: The date on the Luren banner is changed from 1874 to 1868. Luren’s origins are now clearly defined.
- 1935: A bus trip to Fort Dodge culminates in a concert. Luren joins the United Singers of America, which later changes its name to the Scandinavian Singers of America.
- 1936: Luren travels to Sangerfest in Duluth.
- Throughout the Twenties and Thirties: Luren often participates in benefit concerts for the museum (first known as the Luther College Museum, then the Norwegian- American Historical Museum, now called Vesterheim). Events featuring prominent Norwegian visitors often include Luren on the program.
- From 1937: For several years, Luren participates in “Scandinavian Days” in Des Moines.