Mr. and Mrs. Michael Zvorsky of Tonawanda celebrated their 50th wedding anniversary. A dinner gathering is planned for a later date. Mr. Zvorsky and the former Judy Mayer were married April 4, 1964, in Kenmore Presbyterian Church in Kenmore. He is a retired warehouse worker at the Pepsi Cola Plant in Cheektowaga, with 37 years of service. She is a secretary in the student services department at Sweet Home High School, retiring at the end of June. They have three children, six grandchildren and two great-grandchildren.