All family and friends are welcome. The couple also welcomes members of the Le Mars High School Class of 1945 to attend.
The event will be hosted by their children, with a private dinner before the open dance.
Joe and Charlotte were united in marriage Nov. 6, 1945, at the United Methodist Church in Le Mars.
They are the parents of eight children: Sandra (Steve) Phelps of Sioux City, Joe and Pam DeYoung of Spirit Lake, George and Nancy Smithson of Le Mrs, Richard and Donna DeYoung of Riverside, Calif., Jay and Janet Vlotho of Ireton, and Myron and Heidi DeYoung of Mesa, Ariz. Sons Milo and Vernon are deceased.
They have 25 grandchildren, 49 great-grandchildren and one-great-great-grandchild.
The couple is also being honored with a card shower by their family. Cards and greetings may be sent to the couple at 240 Pine St., Craig, Iowa 51031.