May 23. Cyrill Demian receives patent for the accordion in 1829.
May 23, 1829. Cyrill Demian receives patent for the accordion, in Vienna, Austria in 1829.Accordion star Dale Shirley poses with her instrument in a publicity photo from circa 1950.
May 23, 1829. Cyrill Demian receives patent for the accordion, in Vienna, Austria in 1829.Accordion star Dale Shirley poses with her instrument in a publicity photo from circa 1950.