The couple were married on Dec. 11, 1955, at Temple Baptist Church in Johnson City, by Rev. Joe Strother.
Mrs. Bowman is the former Dalene Crowe.
Joe and Dalene owned and operated Modern Equipment Co. in Johnson City and Greeneville, Tenn., from 1959-2006 and Bowman Dairy from 1980-1990. Their sons and daughter-in-law were also active in the family businesses.
The couple have four children, Ronnie and wife Frankie, of Johnson City, David and wife Liz, Jonesborough, Eddie and wife Robin, Telford, and Stephen and wife Kim, also of Telford; nine grandchildren; and five great-grandchildren.
The celebration was open to family and friends.